She was d of Maj Charles Sholto DOUGLAS 1915-95 (2xgt gs of Sir William DOUGLAS 4th Bt 1730-83 f of 6th (1777-1837) and 7th Marquess of QUEENSBERRY 1779-1856) and Christian Frances 1918-90 d of Maj-Gen Francis James MARSHALL CB CMG DSO 1876-1942 and Alice Maude 1884-1964 d of William HORN 1849-1914 and Anna Maria MACANDREW 1861-1948 . She m 1971 Clive Eden WALKER d 2002, and had two daus as above.