George V

George V was the King of the United Kingdom who succeeded Edward VII. George V was succeeded by Edward VIII, who reigned briefly until he was succeeded by George VI. (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 V. (NSA: Revenge of the Judoon)