He was the younger brother of two British kings - King Edward VIII and King George VI and he was our current queen's uncle. His name was John. Prince John - the youngest child of King George V and Queen Mary of Teck.
Born in 1905 on the Sandringham estate in Norfolk he died there in 1919 at the tender age of thirteen.
Sometimes local children were brought to Sandringham to play and pass time with Prince John. He formed a special relationship with a Yorkshire lass called Winifred Thomas. She was the niece of one of the lead groomsmen in the royal stables.