He was s of the 2nd Baron HACKING 1910-71 and Daphne Violet 1915-98 d of Robert Leslie FINNIS 1878-1946 of Kensington, London by his 14 July 1914 m to Ethel Violet Nelson 1891-1980 d of George Nelson STENHOUSE 1858-94 by his 31 Oct 1889 m to (as her 1st h, her 2nd was Henry Munt) Ethel Josephine TOULMIN 1866-1939 scion of that gentry family f/o Hackney. He m 1967 Hon Fiona Margaret NOEL-PATON b 1943 d of the LP Baron FERRIER 1900-92 and Joane 1907-84 d of Sir Gilbert WILES KCIE CSI 1880-1961 and Winifred Mary 1881-1978 d of Frederick Deen PRYOR 1848-1928 of Cambridgeshire by his 1880 m reg Q4 Northants to Mary Louisa RENSHAW 1859-1916, and had a son and a dau.