George VI

George VI was the King of the United Kingdom who succeeded his elder brother Edward VIII following his abdication in December 1936. George VI was himself succeeded by his daughter Elizabeth II in 1952. (PDA: Players)

When the Doctor found that Edward VII had disappeared along with Balmoral Castle in 1902, he warned that the future of the royal family, along with the rest of history, was threatened. Saying that, along with the rest of his successors, there would be no George VI. (NSA: Revenge of the Judoon)