The Greek Royal family announced the engagement of Juan Carlos of Spain to Princess Sofia of Greece, in Athens, Greece. (Photo by Daniele Darolle/Sygma via Getty Images)
Prince Juan Carlos of Spain (Juan Carlos Alfonso V?ctor Mar?a de Borb?n y Borb?n) and his wife princess Sophia of Greece, pictured 14 May 1962 in Athens during their wedding. Juan Carlos' grandfather Alfonso XIII was King of Spain until deposed in 1931 by the Second Spanish Republic. The Republic was ended by the Spanish Civil War and followed by the dictatorship of Francisco Franco, who ruled until his death 20 November 1975. Juan Carlos was designated King of Spain 22 November 1975. Queen Sof?a was born in Athens 02 November 1938. She was the first daughter of King Paul I of Greece. Her family was forced to flee Greece during World War II. Prince Constantine of Greece is on the left, first row. AFP PHOTO (Photo credit should read /AFP/Getty Images)
MADRID, SPAIN - MAY 09: Prince Juan Carlos of Spain and his wife Princess Sofia pose with their daughters for the first official family portrait of baby Cristina, their second daughter, in her mother's arms while Princess Elena sits in her father's lap on May 09, 1966 in Madrid, Spain. (Photo by Gamma-Keystone via Getty Images)
Madrid, Spain, 29th July 1969, Prince Juan Carlos de Bourbon of Spain is pictured with his wife, Princess Sofia of Greece, with their children L-R: Princess Cristina, Prince Felipe and Princess Elena in their home, the Zarzuela Palace (Photo by Paul Popper/Popperfoto via Getty Images/Getty Images)
