- Great-great-nephew of Prince John of Schleswig-Holstein-Sonderburg-Glücksburg.
- Grandson of King Edward VII and Queen Alexandra.
- Great-nephew of Czar Aleksandr III and Czarina Maria Fyodorovna (formerly Princess Dagmar of Denmark).
- Nephew of Haakon VII of Norway and Alexander Duff, 1st Duke of Fife.
- Son of King George V and Queen Mary.
- Younger brother of Duke of Windsor, King George VI, Princess Mary, the Duke of Gloucester, and the Duke of Kent.
- Uncle of Queen Elizabeth II, Princess Margaret, Prince William of Gloucester, Richard, Duke of Gloucester, Edward, Duke of Kent, Prince Michael of Kent and Princess Alexandra of Greece and Denmark.
- First cousin once removed of Constantine I of Greece, Haakon VII of Norway, Sophia of Prussia and Princess Alice.
- Great-grandson of Prince Albert and Queen Victoria.
- Great-great grandson of Duke of Kent and Strathearn Prince Edward and Duchess of Kent and Strathearn.
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