He was s of Gordon William MONIER-WILLIAMS 1881-1964 by his 1924 m reg Q4 London to his 2nd w Marjorie Ellen STILL 1886-1968. He m 1956 reg Q2 Surrey (Dorothy) Noel WESTERN 1925-2018, and had two daus. His yr dau Harriet E. b 1959 reg Q3 Surrey m 1988 as his 2nd wife CHARLES DAVID BLAYNEY b 31 Oct 1953 presumptive heir of the 7th Earl of ERNE b 1971 (who m 2019, but no issue shown on DPB online), s of David George CRICHTON 1914-97 (gs of 4th Earl of ERNE 1839-1914) and Joan Fenella 1921-92 d of Lt-Col Douglas Whyte CLEAVER 1888-1969 of Park Palace, Ave de la Costa, Monte Carlo by his 22 April 1920 m (Fulham Registry Office) to Audrey Phyllis GRIFFITHS 1897-1983, and had a son OLIVER CHARLES MARTIN b 10 March 1995 (2nd in line after his father) and two daus.