Complex sentence: Hastings William Sackville Russell, 12th Duke of Bedford (21 December 1888--9 October 1953) was the son of Herbrand Russell, 11th Duke of Bedford and his wife Mary Du Caurroy Tribe, DBE, RRC, FLS, the aviator and ornithologist.
Split into simpler sentences: Hastings William Sackville Russell, 12th Duke of Bedford (21 December 1888--9 October 1953) was a British peer. He was the son of Herbrand Russell, 11th Duke of Bedford and his wife Mary Du Caurroy Tribe, DBE, RRC, FLS, the aviator and ornithologist.