Former Spanish King Juan Carlos, former Queen Sofia, Infanta Elena and Infanta Cristina walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos and former Queen Sofia walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos and former Queen Sofia walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos, former Queen Sofia, Serbia's Crown Prince Alexander and Crown Princess Katherine walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos and former Queen Sofia attend the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish Queen Sofia, Serbia's Crown Prince Alexander and Crown Princess Katherine react on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos attends the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Members of Spanish royal family walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos, former Queen Sofia, Infanta Elena and Infanta Cristina walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos, former Queen Sofia, Infanta Elena and Infanta Cristina walk on the day of the funeral of former King of Greece Constantine II, in Athens, Greece, January 16, 2023. REUTERS/Louiza Vradi 

Former Spanish King Juan Carlos attends the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Greece's former Queen Anne Marie, former Crown Prince Pavlos and former Spanish King Juan Carlos attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Greece's former Queen Anne Marie, former Crown Prince Pavlos and Princess Marie-Chantal, former Spanish King Juan Carlos and Queen Sofia attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Greece's former Queen Anne Marie, former Crown Prince Pavlos and Princess Marie-Chantal, former Spanish King Juan Carlos and Queen Sofia attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Former Spanish King Juan Carlos and former Queen Sofia attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Former Spanish Queen Sofia attends the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Former Spanish King Juan Carlos, former Queen Sofia and Greece's former Princess Irene attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Former Spanish King Juan Carlos and former Queen Sofia, Greece's former Crown Prince Pavlos, former Prince Nikolaos, and former Prince Philippos attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

Former Spanish King Juan Carlos and former Queen Sofia attend the funeral service of former King of Greece Constantine II in the Metropolitan Cathedral of Athens, Greece, January 16, 2023. REUTERS/Stoyan Nenov/Pool 

A Spanish copy of Britain's Prince Harry, Duke of Sussex's book 'Spare' is pictured in this illustration image outside the Royal Palace in Madrid, Spain, January 5, 2023. REUTERS/Juan Medina/Illustration 

A Spanish copy of Britain's Prince Harry, Duke of Sussex's book 'Spare' is pictured in this illustration image outside the Royal Palace in Madrid, Spain, January 5, 2023. REUTERS/Juan Medina/Illustration 

A Spanish copy of Britain's Prince Harry, Duke of Sussex's book 'Spare' is pictured in this illustration image outside the Royal Palace in Madrid, Spain, January 5, 2023. REUTERS/Juan Medina/Illustration 

Soccer Football - FIFA World Cup Qatar 2022 - Group E - Japan v Spain - Khalifa International Stadium, Doha, Qatar - December 1, 2022 Japan's Princess Takamado, Japan Football Association President Kozo Tashimais and President of the Royal Spanish Football Federation Luis Rubiales are pictured in the stands before the match REUTERS/Peter Cziborra 

Spain's King Felipe meets the Spanish employees at the European Central Bank (ECB) in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe stands next to European Central Bank (ECB) President Christine Lagarde and employees of the ECB in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe stands next to European Central Bank (ECB) President Christine Lagarde and employees of the ECB in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe stands next to European Central Bank (ECB) President Christine Lagarde and employees of the ECB in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets the Spanish employees at the European Central Bank (ECB) in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets the Spanish employees at the European Central Bank (ECB) in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

European Central Bank (ECB) President Christine Lagarde speaks next to Spain's King Felipe at the ECB in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

European Central Bank (ECB) President Christine Lagarde speaks next to Spain's King Felipe at the ECB in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe delivers a speech to the Spanish employees at the European Central Bank (ECB) next to ECB President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe delivers a speech to the Spanish employees at the European Central Bank (ECB) next to ECB President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe delivers a speech to the Spanish employees at the European Central Bank (ECB) next to ECB President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe delivers a speech to the Spanish employees at the European Central Bank (ECB) next to ECB President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe delivers a speech to the Spanish employees at the European Central Bank (ECB) in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe meets European Central Bank (ECB) President Christine Lagarde in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

European Central Bank (ECB) President Christine Lagarde walks in the European Central Bank on the day of a meeting with Spain's King Felipe and Queen Letizia, in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

European Central Bank (ECB) President Christine Lagarde arrives at the European Central Bank in Frankfurt, Germany, October 19, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's King Felipe VI speaks as he attends the Frankfurt Book Fair with German President Frank-Walter Steinmeier, Elke Budenbender and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier speaks as he attends the Frankfurt Book Fair with his wife Elke Budenbender, Spain's King Felipe VI and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier speaks as he attends the Frankfurt Book Fair with his wife Elke Budenbender, Spain's King Felipe VI and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier speaks as he attends the Frankfurt Book Fair with his wife Elke Budenbender, Spain's King Felipe VI and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier speaks as he attends the Frankfurt Book Fair with his wife Elke Budenbender, Spain's King Felipe VI and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier speaks as he attends the Frankfurt Book Fair with his wife Elke Budenbender, Spain's King Felipe VI and Queen Letizia in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier and Spain's King Felipe VI attend the Frankfurt Book Fair in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

German President Frank-Walter Steinmeier and his wife Elke Budenbender with Spain's King Felipe VI and Queen Letizia attend the Frankfurt Book Fair in Frankfurt, Germany, October 18, 2022. REUTERS/Kai Pfaffenbach 

Spain's Queen Letizia visits Berlin's landmark, the Brandenburg Gate with Berlin Mayor Franziska Giffey, in Berlin, Germany, October 18, 2022. REUTERS/Lisi Niesner 

Spain's Queen Letizia visits Berlin's landmark, the Brandenburg Gate with Berlin Mayor Franziska Giffey, in Berlin, Germany, October 18, 2022. REUTERS/Lisi Niesner 

Spain's Queen Letizia visits Berlin's landmark, the Brandenburg Gate with Berlin Mayor Franziska Giffey, in Berlin, Germany, October 18, 2022. REUTERS/Lisi Niesner