Jordan's King Abdullah II, his wife Queen Rania, Jordan's Crown Prince Hussein (R) and Jordan's Princess Rym (L) meet with Norway's King Harald V and his wife Queen Sonja (2nd L) at the Royal Palace in Amman, Jordan March 2, 2020. REUTERS/Muhammad Hamed 

Jordan's King Abdullah II and his wife Queen Rania review an honor guard with Norway's King Harald V and his wife Queen Sonja at the Royal Palace in Amman, Jordan March 2, 2020. REUTERS/Muhammad Hamed 

Jordan's King Abdullah II and his wife Queen Rania review an honor guard with Norway's King Harald V and his wife Queen Sonja at the Royal Palace in Amman, Jordan March 2, 2020. REUTERS/Muhammad Hamed 

Jordan's Queen Rania walks with Norway's Queen Sonja upon her arrival at the Royal Palace in Amman, Jordan March 2, 2020. REUTERS/Muhammad Hamed 

Jordan's Crown Prince Hussein walks to welcome Norway's King Harald V and his wife Queen Sonja of Norway upon their arrival at the Royal Palace in Amman, Jordan March 2, 2020. REUTERS/Muhammad Hamed 

Norway’s King Harald V and Queen Sonja 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 

Norway’s King Harald V and Queen Sonja 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 

Queen Sonja of Norway is welcomed by Hartwig Fischer, Director of British Museum and Sir Richard Lambert as she arrives to the exhibition "Love and Angst" by Edvard Munch at the British Museum in London, Britain April 9, 2019. REUTERS/Gonzalo Fuentes 

Queen Sonja of Norway is welcomed by Hartwig Fischer, Director of British Museum as she arrives to the exhibition "Love and Angst" by Edvard Munch at the British Museum in London, Britain April 9, 2019. REUTERS/Gonzalo Fuentes 

Queen Sonja of Norway during a visit to the exhibition "Love and Angst" by Edvard Munch at the British Museum in London, Britain April 9, 2019. REUTERS/Gonzalo Fuentes 

Queen Sonja of Norway is welcomed by Hartwig Fischer, Director of British Museum and Sir Richard Lambert as she arrives to the exhibition "Love and Angst" by Edvard Munch at the British Museum in London, Britain April 9, 2019. REUTERS/Gonzalo Fuentes 

King Harald V, next to Queen Sonja of Norway are seen with members of the Ministry of Culture during a ceremony of an agreement for the restitution of heritage assets and unpublished photographs of Easter Island that are currently in Oslo's Kon Tiki Museum, in Santiago, Chile March 28, 2019. Picture taken March 28, 2019. Mario Ruiz/Courtesy of Chilean Ministry of Cultures, Arts and Heritage/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. 

King Harald V, next to Queen Sonja of Norway speaks with the Governor of Easter Island Tarita Alarcon Rapu, during a ceremony of an agreement for the restitution of heritage assets and unpublished photographs of Easter Island that are currently in Oslo's Kon Tiki Museum, in Santiago, Chile March 28, 2019. Picture taken March 28, 2019. Mario Ruiz/Courtesy of Chilean Ministry of Cultures, Arts and Heritage/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. 

Cross-country skiing - FIS Nordic World Ski Championships - Women’s 4x5km relay - Seefeld, Austria - February 28, 2019 - Second-placed Norway's Heidi Weng, Ingvild Flugstad Oestberg, Astrid Uhrenholdt Jacobsen and Therese Johaug pose with King Harold and Queen Sonja of Norway. REUTERS/Lisi Niesner 

Cross-country skiing - FIS Nordic World Ski Championships - Women’s 10km classical - Seefeld, Austria - February 26, 2019 - Winner Norway's Theresa Johaug and third-placed Norway's Ingvild Flugstad Oestberg pose with King Harold and Queen Sonja of Norway. REUTERS/Lisi Niesner 

Cross-country skiing - FIS Nordic World Ski Championships - Women’s 10km classical - Seefeld, Austria - February 26, 2019 - Winner Norway's Theresa Johaug and third-placed Norway's Ingvild Flugstad Oestberg are congratulated by King Harold and Queen Sonja of Norway. REUTERS/Lisi Niesner 

Queen Sonja of Norway holds ribbons in the colours of Argentina's and Norway's national flags next to Ole Christian Melhus, CEO of Norwegian Air Argentina, during the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

Queen Sonja of Norway talks to Ole Christian Melhus (R), CEO of Norwegian Air Argentina, and Bjørn Kjos, CEO of Norwegian Group, during the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

King Harald V and Queen Sonja of Norway arrive for the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

King Harald V and Queen Sonja of Norway arrive for the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

Queen Sonja of Norway walks alongside Ole Christian Melhus, CEO of Norwegian Air Argentina, during the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

Queen Sonja of Norway ties ribbons with the colours of Argentina's and Norway's national flags next to Ole Christian Melhus, CEO of Norwegian Air Argentina, during the presentation of Norwegian Air first low cost transatlantic flight service from Argentina at Ezeiza airport in Buenos Aires, Argentina, March 8, 2018. REUTERS/Marcos Brindicci 

A general view during dinner as Britain's Prince William, Catherine, Duchess of Cambridge, King Harald V of Norway and Queen Sonja of Norway dine at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

A general view during dinner as Britain's Prince William, Catherine, Duchess of Cambridge, King Harald V of Norway and Queen Sonja of Norway dine at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

A general view during dinner as Britain's Prince William, Catherine, Duchess of Cambridge, King Harald V of Norway and Queen Sonja of Norway dine at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

A general view as King Harald V of Norway makes a speech at a dinner with Britain's Prince William, Catherine, Duchess of Cambridge, and Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

A general view as King Harald V of Norway makes a speech at a dinner with Britain's Prince William, Catherine, Duchess of Cambridge, and Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

King Harald V of Norway makes a speech at a dinner with Britain's Prince William, Catherine, Duchess of Cambridge, and Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Catherine, Duchess of Cambridge, is escorted into dinner by King Harald V of Norway ahead of Prince William, Duke of Cambridge who is escorted by Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William, Duke of Cambridge is escorted into dinner by Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Catherine, Duchess of Cambridge, is escorted into dinner by King Harald V of Norway ahead of Prince William, Duke of Cambridge who is escorted by Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Catherine, Duchess of Cambridge, is escorted into dinner by King Harald V of Norway ahead of Prince William, Duke of Cambridge who is escorted by Queen Sonja of Norway at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, Duchess of Cambridge, pose for a formal photo with Queen Sonja of Norway and Crown Prince Haakon of Norway ahead of a dinner at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, Duchess of Cambridge, pose for a formal photo with Princess Martha Louise of Norway, Harald V of Norway, Queen Sonja of Norway, Crown Prince Haakon of Norway, Crown Princess Mette-Marit of Norway and Princess Astrid of Norway ahead of a dinner at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, Duchess of Cambridge, pose for a formal photo with Princess Martha Louise of Norway, Harald V of Norway, Queen Sonja of Norway, Crown Prince Haakon of Norway, Crown Princess Mette-Marit of Norway and Princess Astrid of Norway ahead of a dinner at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, Duchess of Cambridge, pose for a formal photo with Princess Martha Louise of Norway, Harald V of Norway, Queen Sonja of Norway, Crown Prince Haakon of Norway, Crown Princess Mette-Marit of Norway and Princess Astrid of Norway ahead of a dinner at the Royal Palace in Oslo, Norway, February 1, 2018. Picture taken February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, the Duchess of Cambridge, pose for a photo with Queen Sonja of Norway and Crown Prince Haakon of Norway ahead of dinner at the Royal Palace in Oslo, Norway February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, the Duchess of Cambridge, pose for a photo with (L-R) Princess Martha Louise of Norway, King Harald of Norway, Queen Sonja, Crown Prince Haakon of Norway, Crown Princess Mette-Marit of Norway, and Princess Astrid of Norway ahead of dinner at the Royal Palace in Oslo, Norway February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, the Duchess of Cambridge, pose for a photo with (L-R) Princess Martha Louise of Norway, King Harald of Norway, Queen Sonja, Crown Prince Haakon of Norway, Crown Princess Mette-Marit of Norway, and Princess Astrid of Norway ahead of dinner at the Royal Palace in Oslo, Norway February 1, 2018. REUTERS/Chris Jackson/Pool 

Britain's Prince William and Catherine, the Duchess of Cambridge, accompanied by Queen Sonja, Princess Ingrid Alexandra, Crown Prince Haakon and Crown Princess Mette-Marit, visit the Princess Ingrid Alexandra Sculpture Park within the Palace Gardens, in Oslo, Norway, February 2, 2018. REUTERS/Arthur Edwards/Pool 

Britain's Prince William and Catherine, The Duchess of Cambridge, pose for a picture with Crown Prince Haakon and Crown Princess Mette-Marit, and King Harald and Queen Sonja of Norway before a lunch in Oslo, February 1, 2018. REUTERS/Hannah McKay 

Britain's Prince William and Catherine, The Duchess of Cambridge, pose for a picture with Crown Prince Haakon and Crown Princess Mette-Marit, and King Harald and Queen Sonja of Norway before a lunch in Oslo, February 1, 2018. REUTERS/Hannah McKay 

Britain's Prince William and Catherine, The Duchess of Cambridge, pose for a picture with Crown Prince Haakon and Crown Princess Mette-Marit, and King Harald and Queen Sonja of Norway before a lunch in Oslo, February 1, 2018. REUTERS/Hannah McKay 

Britain's Prince William and Catherine, The Duchess of Cambridge, pose for a picture with Crown Prince Haakon and Crown Princess Mette-Marit, and King Harald and Queen Sonja of Norway before a lunch in Oslo, February 1, 2018. REUTERS/Hannah McKay 

Norway's Crown Prince Haakon (C) and Crown Princess Mette-Marit (2nd R) look at a tree planted by Norway's King Harald V and Queen Sonja (not pictured) at Rideau Hall in Ottawa, Ontario, Canada, November 7, 2016. REUTERS/Chris Wattie 

Norway's King Harald V (R) participates in an official welcome ceremony on the Lakeside Lawns of Government House in Canberra, February 23, 2015. With King Harald V is Queen Sonja (L) and Australia's Governor-General Peter Cosgrove (front row, 3rd L) and Cosgrove's wife Lynne (2nd L). REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's King Harald V (L) walks with Australia's Governor-General Peter Cosgrove after an official welcome ceremony on the Lakeside Lawns of Government House in Canberra, February 23, 2015. With King Harald V is Queen Sonja (R) and Cosgrove's wife Lynne. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's Queen Sonja prepares to place a poppy flower in the World War II Wall of Remembrance during her visit with King Harald V (2nd L) at the Australian War Memorial in Canberra, February 23, 2015. Also pictured is Chairman of the Australian War Memorial Rear Admiral Ken Doolan (L) REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's King Harald V (C) and Queen Sonja (L) are reflected in the Australian War Memorial's Pool of Reflection with Chairman of the Australian War Memorial Rear Admiral Ken Doolan (2nd R) and Director of the Australian War Memorial Brendan Nelson (R) in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's King Harald V (L) and Queen Sonja (2nd R) are reflected in the Australian War Memorial's Pool of Reflection with Chairman of the Australian War Memorial Rear Admiral Ken Doolan (2nd L) and Director of the Australian War Memorial Brendan Nelson (R) in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's Queen Sonja places a poppy flower in the World War II Wall of Remembrance during her visit with King Harald V (L) at the Australian War Memorial in Canberra, February 23, 2015. With Queen Sonja is Director of the Australian War Memorial Brendan Nelson (C). REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's King Harald V (2nd R) and Queen Sonja (2nd L) are escorted during their visit to the Australian War Memorial by Chairman of the Australian War Memorial Rear Admiral Ken Doolan (R) and Director of the Australian War Memorial Brendan Nelson (C) in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's Queen Sonja looks at the location where she had just placed a poppy flower in the World War II Wall of Remembrance during her visit with King Harald V (not pictured) at the Australian War Memorial in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's Queen Sonja places a poppy flower in the World War II Wall of Remembrance during her visit with King Harald V (not pictured) at the Australian War Memorial in Canberra, February 23, 2015. With Queen Sonja is Director of the Australian War Memorial Brendan Nelson. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's King Harald V (L) and Queen Sonja (2nd L) are escorted along the World War II Wall of Remembrance by Chairman of the Australian War Memorial Rear Admiral Ken Doolan (C) and Director of the Australian War Memorial Brendan Nelson in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's King Harald V places a poppy on the World War II Wall of Remembrance during his visit to the Australian War Memorial in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's King Harald V places a poppy on the World War II Wall of Remembrance during his visit to the Australian War Memorial in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS) 

Norway's King Harald V places a poppy on the World War II Wall of Remembrance alongside Queen Sonja during their visit the Australian War Memorial in Canberra, February 23, 2015. REUTERS/David Gray (AUSTRALIA - Tags: POLITICS ROYALS MILITARY) 

Norway's King Harald, his wife Queen Sonja, Crown Princess Mette-Marit and Crown Prince Haakon (L-R) attend the Nobel Peace Prize awards ceremony at the City Hall in Oslo December 10, 2014. Pakistani teenager Malala Yousafzai, shot by the Taliban for refusing to quit school, and Indian activist Kailash Satyarthi received their Nobel Peace Prizes on Wednesday after two days of celebration honouring their work for children's rights. REUTERS/Suzanne Plunkett (NORWAY - Tags: SOCIETY ROYALS)

Norwegian King Harald V of Norway and Queen Sonja walk as they visit the Shwedagon pagoda during an official visit to Myanmar in Yangon, December 2, 2014. REUTERS/Soe Zeya Tun (MYANMAR - Tags: POLITICS ROYALS)