William's elder brother Frederick, Prince of Wales, proposed dividing the king's dominions. Frederick would get Britain, while William would get Hanover. This proposal came to nothing. Early military career. From childhood, he showed physical courage and ability, and became his parents' favourite.
Prince William of Gloucester (William Henry Andrew Frederick; 18 December 1941 – 28 August 1972) was a grandson of King George V and paternal cousin of Queen Elizabeth II. At the time of his birth he was fourth in line to the throne , and ninth in line at the time of his death.