Alexander married Renee Eileen Burn between 1 Apr and 30 Jun 1940 in Westminster District, London, England, and was divorced in 1947. Renee was born in 1919; died in 1984. [Group Sheet]

Alexander married Mary Hermione Ormsby-Gore on 24 Jan 1947 in Chelsea District, Middlesex, England. Mary (daughter of William Ormsby-Gore, 4th. Baron Harlech, KG, GCMG, PC and Lady Beatrice Mildred Edith Gascoyne-Cecil, DCVO) was born on 7 Sep 1914 in St. George's, Hanover Sq. Middlesex, England; died on 26 Sep 2006 in Lambeth District, Surrey, England. [Group Sheet]