Frank is the son of Eli Nathaniel, contractor, who died c1902 in NZ aged 68 and Elizabeth (nee POWELL) DIXON, who died 1939, Auckland. They married 25 November 1868 St Pancras Church, Parish of St Pancras, Middlesex, England.

Frank's Paternal grandfather was Benjamin DIXON, Tailor (deceased at time of son Eli's marriage).
Franks Maternal grandfather was Henry POWELL of Clarendon Square, glasscutter. Public - Sarndra - Researcher - 6 September 2015 - ancestry.co.uk: London, England, Marriages and Banns, 1754-1921;