Notes:

As commander-in-chief of the Fighter Command, Douglas was responsible for rebuilding of the command's strength after the attrition of the Battle of Britain, but also for bringing it on the offensive to wrest the initiative in the air from the German Luftwaffe. He was therefore one of the main orchestrators of the only partially successful Circus offensive.

was well rewarded after the war. He was the first commander of the British Occupation Zone in Germany and in 1946 he was promoted to Marshal of the Royal Air Force, one of only two RAF officers ever to hold this rank without serving as Chief of the Air Staff. In 1948 he was raised to the peerage as Baron Douglas of Kirtleside, of Dornock in the County of Dumfries. Douglas retired in 1948 and became chairman of BEA in 1949 a post he retained until 1964.

He married, firstly, Mary Howard in 1919.1 He and Mary Howard were divorced in 1932.1 He married, secondly, Joan Leslie Denny, daughter of Colonel H. C. Denny, on 7 September 1933. He and Joan Leslie Denny were divorced in 1952. He married, thirdly, Hazel Walker, daughter of George Eric Maas Walker, on 28 February 1955. The title became extinct on his death in 1969

William married May Howard in Oct 1919. [Group Sheet] [Family Chart]

William married Joan Denny in 1933. [Group Sheet] [Family Chart]

William married Hazel Walker in 1955. Hazel (daughter of George Eric Maas Walker) was born about 1893; and died. [Group Sheet] [Family Chart]

Family/Spouse: Peter Campbell. [Group Sheet] [Family Chart]