He was s of Canon Graham Marten SMALLWOOD. He m 1975 as her 2nd h Hon Kirsty Jane AITKEN b 1947 d of Sir John William MAXWELL AITKEN 2nd Bt (previously 2nd Baron BEAVERBROOK 1910-85) and as her 2nd of 3 h Ursula Jane 1920-2012 d of Maj Robert Orlando KENYON-SLANEY 1892-1965 scion of the KENYON barons, and his 1st w Lady Mary Cecilia Rhodesia HAMILTON 1896-1984 d of 3rd Duke of ABERCORN 1869-1953 and Lady Rosalind Cecilia Caroline BINGHAM 1869-1958 d of 4th Earl of LUCAN by his w a dau of 5th Duke of RICHMOND & LENNOX 1791-1860, etc, and had a dau as above (m to a scion of the VYVYAN Bts, with a son and a dau as above).