He was s of Peter Leslie YOUNG 1908-70 (2x gt gs of Sir William ARBUTHNOT 1st Bt 1766-1829) and his 1st (of 3) w (her 1st of 3 h) Pamela Clare c1911-1993 d of C Foot GAITSKELL of Nairobi. He m 1966 Susanna Elizabeth b 1940 d of Theodore David BARCLAY 1906-81 sometime head of that gentry family of Higham and Anne Millard BENNETT 1912-96, and had a son and a dua as above.