Prior to the 20th century, no member of the European royalty ever married a commoner, the monarchy rule is clear: any royal who will enter a morganatic (marrying a commoner) union will automatically disinherit him or her and lose his or her place in the line of succession, so arranged marriages between royalty became the common practice. But after World War II upon the collapse of most European royal houses supply of suitable consorts diminished ceasing this royal tradition, thus, allowing commoners to join the royal fold.
In present-day Europe, only the sovereigns of
Great Britain and Spain married fellow royals and they are both great great grandchildren of Queen Victoria of . England
Queen Elizabeth II and Prince Philip, the Duke of
Her Majesty, Queen Elizabeth II and His Royal Highness, Prince Philip, the Duke of Edinburgh
The former Greek Prince devoted all his life supporting his wife on various official engagements
Queen Elizabeth II and Prince Philip, Duke of Edinburgh leave HMCS St John's after the International Fleet Review on June 29, 2010 in Halifax, Canada.
Queen Elizabeth II descended from Queen
The Duke of Edinburgh was born Prince Philip of
Greece and and was sixth in line of succession to the Greek throne. Both her parents descended from royalty. Philip’s mother, Princess Alice of Battenberg, was born in Denmark Windsor Castle in 1885 as an eldest child of Princess Victoria and Prince Louis of Battenberg who lived at the grace-and-favor apartment at Kensington Palace. In 1930 when the marriage of Prince Philip’s parents fell apart, he moved to to live with his grandmother. Philip’s father was Prince Andrew, the fourth son of King George I of England Greece and Queen Olga (granddaughter of Emperor Nicholas I of ). Most of his relatives married into the European royalty. His maternal aunt, Louise, married the King of Sweden, Adolf VI, his paternal aunt, Princess Elisabeth, married the King of Romania, Carol II, his first cousin Princess Alexandra married King Peter I of Yoguslavia while another cousin, Princess Marina married Russia , the Duke of Kent (paternal uncle of Queen Elizabeth II). All Philip’s four elder sisters married German Princes. Prince George
Prince Philip was advised to renounce his place in the Greek throne to become a British subject, the Prince obliged and took the name Philip Mountbatten (his grandfather, Prince Louis of Battenberg was forced to relinquish his Princely title in 1917 because of the anti-German sentiments in England, so his cousin King George V made him a British Marquess and anglicized his surname from Battenberg to Mountbatten). By the time he and Princess Elizabeth married in November 20, 1947, Philip rose to rank of a Lieutenant in the British Royal Navy. A night before their marriage, his father-in-law, King George VI, created him a British duke with titles Duke of Edinburgh, Earl of Marioneth and Baron Greenwhich, the King also made him Noble Order of the Garter, the highest accolade of chivalry in Great Britain. Philip and Elizabeth have five children: Prince Charles the Prince of Wales, Princess Anne the Princess Royal, Prince Andrew the Duke of York and Prince Edward the Earl of Wessex (his father's successor as Duke of Edinburgh). With the exception of the Earl of Wessex, all marriages of the three siblings ended in divorce.
King Juan Carlos and Queen Sofia
His Majesty, King Juan Carlos and Her Majesty, Queen Sofia of Spain
The King and Queen of Spain, both great great grandchildren of Queen Victoria of England
With the heir-apparent, Prince Felipe, his wife Princess Letizia and children Infantas Eleanor and Sofia
King Juan Carlos descended from Queen
Queen Sofia is the eldest child of King Paul of
Greece (son of Princess Sophia and King Constantine) and Queen Frederica, also a granddaughter of Emperor William II of (Princess Sophia’s brother). The Queen has two siblings, the deposed King of Greece, Constantine II (his wife is Princess Anna Marie, youngest sister of Queen Margrethe II of Denmark) and Princess Irene who was once considered a possible wife of King Harald V of Norway, but the Norwegian King chose to marry Sonja Haraldsen, a commoner Norwegian college graduate, disappointing all his royal relatives. King Harald V is the great grandson of Queen Maud, youngest child of King Edward VII of Germany England, Maud’s husband, King Haakon VII, was the grandson of King Christian IX of . Princess Irene (born 1938) however did not marry and lived in Denmark Zarzuela Palace in . Spain
King Juan Carlos had never expected to ascend the Spanish throne. After the deposition of his grandfather, Alfonso XIII during the Spanish Civil War, the country was put under the dictator government of Francisco Franco. The royal family was exiled in
Italy, and Alfonso’s children, most of them were suffering from Hemophilia, a blood disease started in the line of Queen , were disinterested to press their claim on the lost crown. But Alfonso’s fourth son, Prince Juan, determined to secure the crown to his family, started negotiating with Franco, eventually the latter yielded declaring to restore the monarchy after his death and naming Prince Juan as the next King of Spain, but the Prince declined giving the throne to his only son, Juan Carlos. In 1972 after the death of Francisco Franco, Juan Carlos ascended the Spanish throne and moved with his family to Victoria Zarzuela Palace in . By then he was married to Princess Sophia of Madrid Greece and and had three children: Infanta Elena, Infanta Cristina and Infante Felipe who would become the Prince of Asturias on his father’s accession. Denmark