He was s of Brig Richard John STREATFIELD DSO 1903-52 scion of that gentry family f/o Chiddingstone and Jane Eglantine 1914-90 d of Sir Guy STEPHENSON CB 1865-1930 (gt gs of 4th Earl of ALBEMARLE 1772-1849, 2xgt gs of 20th Baron CLIFFORD 1732-77, 5xgt gs of 1st Earl of ROCKINGHAM 1655-1724, as well 5xgt gs of 6th Earl of THANET 1644-1729, 6xgt gs of 2nd Duke of NEWCASTLE-UPON-TYNE 1630-91, etc etc) and Gwendoline 1877-1960 d of Rt Hon John Gilbert TALBOT 1835-1910 (gs of 2nd Earl TALBOT 1777-1849 (who was f of 18th Earl of SHREWSBURY &c 1803-68)) by his wife a gd of 4th Baron LYTTELTON 1817-76 (who was f of 8th Viscount COBHAM 1842-1922). He m 1971 G M Jane d of Giles ROMANES, and had issue:
1. Maj Richard Giles b c1972 reg Q1 Kent m 2003 reg Q2 Swansea Rachel A d of Stuart DUNN of Gorseinon, Swansea
2. Geoffrey John b 1975 reg Q2 Kent (actor), m 2003 reg Q3 London (div 2010) Nikki O AMUKA-BIRD b 1976 (Nigerian born British actress), his current partner is the actress Anna MADELEY
3. Luke Valentine b 1978 reg Q4 Kent
4. Roland Bartholomew b 1987 reg Q3 Dorset
1. Daisy Margaret J. b c1982 reg Q2 Kent