He was s of Hon Edward Plantagenet Joseph CORBALLY STOURTON 1880-1966 (s of 23rd Baron MOWBRAY, [24th] SEAGRAVE & [20th] STOURTON 1829-93) and Beatrice Cicely c1907-2004 d of Harold Ethelbert PAGE 1876-1966 of Kirkstead, Lincs by his 1897 m reg Q4 London to Ida Flora MARTIN 1875-1963. He m 1st 1960 (div 1975) as her 1st h (her 2nd h was Sir Simon Dunning 3rd & final Bt) Frances Deirdre Morton c1940-2016 (Lady Dunning) d of Maj Patrick William Morton LANCASTER 1914-86 of Sheffield Park, Sussex and Marika Mary C EVANS-BROWN 1914-2000, and had 3 sons. He m 2nd 1995 Lavinia Frances Elizabeth b 1941 d of Capt John (Jack) PITMAN 1907-ka1943 scion of that gentry family of Eastcourt House (gs of Sir Isaac PITMAN 1813-97 inventor of that eponymous shorthand system) and Elizabeth Cattanach DONALDSON 1908-97.