Robert Charles McCreath Jnr. (1917-??) married Margaret Joanna Alexander (1917-??)
They had six children:
Alexander Donald McCreath born 5 August 1942, Hornsby (Sydney), NSW
William Douglas McCreath born 29 October 1943 Pennant Hills, NSW
Robyn Anne McCreath born 25 December 1944, Sydney, NSW
Laurence McCreath born 13 May 1946, Hornsby, NSW
Cheryl Pamela McCreath born 29 April 1948, Sydney, NSW
David Andrew McCreath born 20 November 1965, Canberra, ACT. (Adopted).
Robert Charles McCreath died at Canberra, ACT on 2 June 1986.