 Beevor married Margaret Florence Platt, daughter of Algernon John Frederick Platt, on 17 September 1924.The couple had two children, Susan (born 1927, died 1948) and John (born 1930, died 2001).After Margarets death on 15 February 1934 he married Sybil Gilliat, daughter of Lt.-Col. John Babington Gilliat (and sister of Lt Col Sir Martin Gilliat), on 23 April 1935.