He was s of George Charles Dupin Drayson 1911-69 and Hon Shirley Joan BAILEY 1912-2005 (gd of 1st Baron GALNUSK 1840-1906). He m 1974 Rosemary (Rosie) Ann, and had a son and two daus as above:
1. Timothy William Dupin b 1983
1. Louise Claire b 1978: m c2007 (eng Times 25 May) Toby Bradford b July 1977 s of Brad KRESS and Sarah MUDD of Stock, Essex, and had issue
1.1 Luke Bradford KRESS b 2016 reg Q4 Waltham Forest
1.1 Sophie Indigo KRESS b 2014 reg Q3 Hackney
2. Caroline Gail b 1980: m c2008 (eng Times 2 Nov 2007) Ben(jamin) James b 1979 reg Q1 Surrey elder s of Nicholas John Tyrrell TYRRELL-EVANS b 1937 head of that gentry family of Capel End by his 31 March 1976 m (Times 1 April) to (Penelope) Jane d of Maj J H A CLARKE of Sunnyhill, Bury St Edmunds, and had issue
2.1 Oscar William TYRRELL-EVANS b 2010 reg Q3 Hammersmith
2.2 George James TYRRELL-EVANS b 2016 reg Q2 Hammersmith
2.1 Amelie Rose TYRRELL-EVANS b 22 Jan 2012 (Telegraph 26 Jan) reg Q1 Hammersmith