Margery (Marge) Aymee Blundell was born on 24 March 1898 in Ginninderra, Queanbeyan, New South Wales. She is the daughter of Jacob Blundell and Lucy Plummer. Marge married William Clarke in 1924 in Goulburn, New South Wales. William was born circa 1895. Marge died on 19 September 1971 in Goulburn, New South Wales. William died circa 1978.

Una Mary Blundell was born on 7 April 1918 in Paddington, New South Wales. She is the daughter of Marge Blundell. Una married Lawrence Edward Allport in 1940 in Mittagong, New South Wales. Lawrence was born on 19 March 1916 in Goulburn, New South Wales, and is the son of William John Allport and Mary Anne O'Donnell. They had a son Raymond Allport, who was born in 1946 and who died in 2011. Lawrence died on 6 January 1997 in Bowral, New South Wales. Una died on 6 October 2007 in Bowral, New South Wales.