Karl Habsburg, his wife Francesca and their children Ferdinand and Gloria (L-R) walk next to the imperial flag during the funeral ceremony of Otto von Habsburg-Lothringen in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

Sweden's King Carl Gustaf (R) and his wife Queen Silvia follow the coffin during the funeral of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

Karl Habsburg (2nd L), his children Eleonore (L) and Ferdinand, and his wife Francesca, follow the coffin during the funeral of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

Members of traditional infantry formations gather outside Kapuzinerkirche church, where the imperial crypt is located, during the funeral ceremony of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

Ullrich Walter Lipp, a friend of the Habsburg family and responsible for the traditional door opening ceremony, waits outside the imperial crypt during the funeral ceremony of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

A traditional infantry formation fires a gun salute during the funeral ceremony of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen arrives at Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen arrives at Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen arrives at Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen arrives at Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen arrives at Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen is carried into the Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen is carried into the Kapuzinerkirche church, for burial in the imperial crypt, in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen is carried for burial in the imperial crypt inside Kapuzinerkirche church in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Heinz-Peter Bader (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg-Lothringen's coffin is pictured in front of historic Hofburg palace on his funeral march through the centre of Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

Prince Hans-Adam II von und zu Liechtenstein (R) and Grand Duke Henri of Luxembourg attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Countess Marie von und zu Liechtenstein and Grand Duke Henri of Luxembourg attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's son Karl (C) follows the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. On the right is Karl's wife Francesca. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's sons, Karl (C) and Georg (centre L), along with family members follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's sons Karl and Georg, with members of their families, follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Belgium's Princess Astrid and Prince Lorenz attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Belgium's Prince Lorenz (R) and Bulgaria's former king Simeon Saxe Coburg attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's son Karl (C), along with members of his family, follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

The funeral procession ahead of the coffin of Otto von Habsburg-Lothringen marches in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

The funeral procession ahead of the coffin of Otto von Habsburg-Lothringen marches in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

The funeral procession ahead of the coffin of Otto von Habsburg-Lothringen marches in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

The funeral procession ahead of the coffin of Otto von Habsburg-Lothringen marches in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg-Lothringen's coffin is pictured in front of the historic Hofburg palace on his funeral march through the centre of Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS CITYSCAPE) 

The coffin of Otto von Habsburg is pictured during the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS RELIGION) 

Austrian Cardinal Christoph Schoenborn (C) stands behind the coffin of Otto von Habsburg-Lothringen during the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS RELIGION) 

People in historic costumes attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Swedish King Carl Gustav and Queen Silvia follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

The flag with the Habsburg crest is carried near the coffin of Otto von Habsburg during the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA) 

Otto von Habsburg's sons Karl (2nd L) and Georg, with members of their families, follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Thousands of mourners joined European royalty on Saturday for the funeral of Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

Otto von Habsburg's sons Karl and Georg along with members of their family follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

Otto von Habsburg's sons Karl (C) and Georg along with members of their family follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

Otto von Habsburg's sons Karl (C) and Georg along with members of their family follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

Otto von Habsburg's sons Karl (C) and Georg along with members of their family follow the coffin of Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS ENTERTAINMENT) 

St. Stephen's Cathedral (Stephansdom) is pictured as attendants leave the Requiem for Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg is carried out of St. Stephen's Cathedral (Stephansdom) after the Requiem in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Swedish King Carl Gustav and Queen Silvia (C) leave St. Stephen's Cathedral after the Requiem for Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

St. Stephen's Cathedral (Stephansdom) is pictured as attendants leave the Requiem for Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's children follow the coffin of their father after the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's children follow the coffin of their father after the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's children Karl, Georg, Andrea, Monika and Michaela (L-R) walk next to his coffin during his funeral at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Spain's Infanta Cristina attends the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Swedish King Carl Gustav and Queen Silvia attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Czech Foreign Minister Karl Schwarzenberg (L) and Governor of Lower Austria Erwin Proell attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Otto von Habsburg's children Michaela, Gabriela, Karl, Georg and Andrea (L-R) read texts during his funeral at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Countess Marie von und zu Liechtenstein (L) and Spain's Infanta Cristina attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

St. Stephen's Cathedral (Stephansdom) is pictured during the Requiem for Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

A man in a historic costume holds flags as he attends the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

The coffin of Otto von Habsburg-Lothringen is pictured during the Requiem at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Prince Hans-Adam II von und zu Liechtenstein and his wife Countess Marie attend the Requiem of Otto von Habsburg-Lothringen at St. Stephen's Cathedral (Stephansdom) in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Leonhard Foeger (AUSTRIA - Tags: OBITUARY ROYALS) 

Men in historic costumes attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Prince Hans-Adam of Liechtenstein (L) and his wife Marie Aglae attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

St. Stephen's Cathedral (Stephansdom) is pictured during the funeral for Otto von Habsburg-Lothringen in Vienna July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died aged 98 at his home in Germany on July 4, 2011. REUTERS/Lisi Niesner (AUSTRIA - Tags: OBITUARY ROYALS) 

Men in historic military costumes attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Members of traditional unincorporated associations in historic military costumes attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS) 

Members of traditional unincorporated associations in historic military costumes attend the funeral of Otto von Habsburg-Lothringen at St. Stephen's Cathedral in Vienna, July 16, 2011. Otto Habsburg-Lothringen, the eldest son of the last Austrian emperor who became a champion of European unity, died at the age of 98 at his home in Germany on July 4, 2011. REUTERS/Herwig Prammer (AUSTRIA - Tags: OBITUARY ROYALS)