 He returned to England, where he committed suicide by barbiturate overdose in 1942.Born Diana Caldwell (1913–1987), she moved to the Happy Valley in late 1940, together with her new husband, Sir John "Jock" Delves Broughton, a Baronet with extensive landed estates in England.She almost immediately began a very public affair with the unofficial leader of the community, Joss Hay, Earl of Erroll.