At the age of 25 he married 25 year old Ruth Kathleen Robinson on 21 December 1929 at St Pauls Belfast, Belfast. His occupation was recorded as Teacher and Ruth was a Nurse.
They had two children.
His father died in 1933. Clifton was still living at this date.
↑ "South Africa, Transvaal, Civil Marriages, 1870-1930," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QG1L-QSN1 : 3 October 2018), Clifton Arthur Yates and Ruth Kathlen Robinson, St Pauls Belfast, Belfast; citing Marriage, , NARS "Civil registration (marriages - coloureds), Transvaal and Swaziland, 1898-1927." The National Archives and Records Service of South Africa, Pretoria.