She was d of Donald Colquhoun MACLEAN 1898-1967 and Cecilia Valerie COOPER 1910-98. She m 1st 1957 reg Q4 London Cdr Gresham Neilus RN 1934-64 s of Malcolm Septimus VAUGHAN 1903-67 by his 1928 m reg Q3 London to as her 1st h Judith Elyn Gresham 1905-94 (Mrs Errol Holmes) d of Rev Frederick Archibald Gresham LEVESON-GOWER 1871-1946 (3xgt gs of 1st Earl GOWER 1694-1754 who was gf of 1st Duke of SUTHERLAND 1758-1833) and Cecil Eyre 1878-1939 d of Sir Walpole Lloyd GREENWELL 1st Bt 1847-1919 and Kathleen Eugenie TIZARD 1854-1932, and had a dau (Jessica Lucy who who m Lt-Col Andrew Alexander GOSSAGE b 1963 (4xgt gs of Sir William CURTIS 1st Bt 1752-1829) and has issue). She m 2nd 1966 Sir Andrew George KCVO 5th Bt b 1937 s of Sir Charles James BUCHANAN 4th Bt 1899-1984 and Barbara Helen 1906-86 d of Lt-Col Rt Hon Sir George Frederick STANLEY 1872-1938 (s of 16th Earl of DERBY 1841-1908) and Lady Beatrix TAYLOUR 1877-1944 d of 3rd Marquess of HEADFORT 1822-94 and his 2nd w Emily Constantia 1840-1926 d of Rev Lord John THYNNE 1798-1881 (s of 2nd Marquess of BATH 1765-1837, etc) and Anne Constantia BERESFORD d 1866 (gt gd of 1st Earl of TYRONE 1694-1763 who was f of 1st Marquess of WATERFORD 1735-1800), and had a son and a further dau.