Photo Credit: Tim Graham/Tim Graham Photo Library/Getty Images
Speaight/Hulton Royals Collection/Getty ImagesElizabeth, Duchess of York, with her daughter, future Queen Elizabeth.
Keystone-France/Gamma-Keystone/Getty ImagesPrince Charles with mom Princess Elizabeth II.
Keystone/Hulton Royals Collection/Getty ImagesPrincess Elizabeth with her family, husband Prince Phillip Duke of Edinburgh, son Prince Charles and daughter Princess Anne.
Gamma-Keystone/Gamma-Keystone/Getty ImagesPrincess Grace of Monaco snuggles with her newborn son, Prince Albert.
Fox Photos/Hulton Royals Collection/Getty ImagesQueen Elizabeth II's children, Prince Charles, Princess Anne and Prince Andrew, pose with their grandmother, the Queen Mother.
Central Press/Hulton Royals Collection/Getty ImagesPrincess Astrid of Belgium with her mother, Princess Paola, on her first birthday.
Archive Photos/Hulton Royals Collection/Getty ImagesPrince Rainier III of Monaco and Princess Grace with Prince Albert and Princess Caroline, near Palm Springs, Florida.
Keystone/Hulton Royals Collection/Getty ImagesPrincess Beatrix, Crown Princess of Holland holds her son Prince Willem-Alexander.
Keystone/Hulton Royals Collection/Getty ImagesPrincess Beatrix of the Netherlands with her son, Willem-Alexander Prince of Orange.
Express/Hulton Royals Collection/Getty ImagesKing Juan Carlos I of Spain carries his son Prince Felipe.
Keystone-France/Gamma-Keystone/Getty ImagesKing Carl-Gustav and Queen Silvia of Sweden with their daughter Princess Victoria after her baptism.
Tim Graham/Tim Graham Photo Library/Getty ImagesPrince Charles and Princess Diana with their son Prince William in their home in Kensington Palace.
Tim Graham/Tim Graham Photo Library/Getty ImagesPrince William and his brother, Prince Harry, play the piano at home in Kensington Palace.
Julian Parker/UK Press/Getty ImagesThe Duchess of York with her daughter, Princess Beatrice.
Marco Secchi/Getty Images News/Getty ImagesPrince Edward, Earl of Wessex, and Sophie, Countess of Wessex, at the Royal Windsor Horse Show with their children James, Viscount Severn and Lady Louise Windsor.