Henri, Grand Duke of Luxembourg chats at the reception at Grand Ducal Palace after the funeral of his father Grand Duke Jean in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Henri, Grand Duke of Luxembourg chats at the reception at Grand Ducal Palace after the funeral of his father Grand Duke Jean in Luxembourg May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Luxembourg's Prince Felix chats at the reception at Grand Ducal Palace after the funeral of his grandfather Grand Duke Jean in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Nicolas Sarkozy, former French president, walks at the funeral procession for Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Jean-Christophe Verhaegen/Pool via REUTERS 

Prince Albert II of Monaco waves during the funeral procession for Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Thierry Monasse/Pool via REUTERS 

Morocco's Prince Moulay Rachid exits his car for the funeral of Luxembourg's Grand Duke Jean to be held at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Thierry Monasse/Pool via REUTERS 

Prince Albert II of Monaco walks during the funeral procession for Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Jean-Christophe Verhaegen/Pool via REUTERS 

Prince Albert II of Monaco holds a phone at the reception, after the funeral of Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Queen Margrethe II of Denmark looks on at the reception, after the funeral of Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Queen Margrethe II of Denmark chats at the reception after the funeral of Luxembourg's Grand Duke Jean in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Attendees walk with umbrellas during the funeral procession of Luxembourg's Grand Duke Jean to the Notre-Dame Cathedral in Luxembourg May 4, 2019. Emmanuel Claude/Pool via REUTERS 

Queen Margrethe II of Denmark leaves her car for the funeral of Luxembourg's Grand Duke Jean to be held at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Thierry Monasse/Pool via REUTERS 

Britain's Anne, Princess Royal, stands at the funeral of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Queen Margrethe II of Denmark stands at the funeral of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Nicolas Sarkozy, former French president, walks at the funeral of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Pallbearers carry the coffin of Luxembourg's Grand Duke Jean at his funeral at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Guy Wolff/Pool via REUTERS 

Pallbearers surround the coffin of Luxembourg's Grand Duke Jean at his funeral at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Guy Wolff/Pool via REUTERS 

Prince Albert II of Monaco attends the funeral of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg May 4, 2019. Sophie Margue/Pool via REUTERS 

Prince Félix and Princess Claire of Luxembourg attend the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Spain's King Juan Carlos leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Samuel Kirszenbaum/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Luxembourg Grand Duke Henri and Grand Duchess Maria Teresa attend the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Luxembourg Grand Duke Henri and Grand Duchess Maria Teresa attend the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Jordan's Princess Sarvath leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Jordan's Prince Hassan and Princess Sarvath leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Jordan's Prince Hassan and Princess Sarvath leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Morocco's Prince Moulay Rachid and Former French President Nicolas Sarkozy leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Morocco's Prince Moulay Rachid and Former French President Nicolas Sarkozy leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Former German president Joachim Gauck and Daniela Schadt leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Prince Guillaume of Luxembourg speaks during the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Archduchess Marie Astrid of Austria speaks during the funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Funeral of Luxembourg's Grand Duke Jean in Luxembourg at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Prince Guillaume of Luxembourg speaks during the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Luxembourg's Hereditary Grand Duke Guillaume, Hereditary Grand Duchess Stephanie and Duke Guillaume leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Spain's King Juan Carlos and Queen Sofia leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Spain's King Juan Carlos leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Belgium's King Albert II and Queen Paola leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg's Grand Duke Henri and Grand Duchess Maria Teresa leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg's Grand Duke Henri and Grand Duchess Maria Teresa leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg's Grand Duke Henri and Grand Duchess Maria Teresa leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Belgium's King Albert II and Queen Paola leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg's Grand Duke Henri and Grand Duchess Maria Teresa leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg's Grand Duke Henri and Grand Duchess Maria Teresa leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Belgium's King Philippe, Queen Mathilde and Princess Elisabeth leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Prince Albert II of Monaco leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg Grand Duke Henri and Prince Guillaume of Luxembourg with his wife Princess Stephanie attend the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Prince Albert II of Monaco leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Denmark's Queen Margrethe II leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Denmark's Queen Margrethe II leaves after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir 

Luxembourg Grand Duke Henri and Grand Duchess Maria Teresa attend the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. Sophie Margue/Pool via REUTERS 

Spain's King Juan Carlos and Queen Sofia leave after attending the funeral ceremony of Luxembourg's Grand Duke Jean at the Notre-Dame Cathedral in Luxembourg, May 4, 2019. REUTERS/Francois Lenoir