Strange they are not in the set, that said, what looks to be a sibling [Edward James] is in..
Sydney, Australia, Anglican Parish Registers, 1814-2011:
Edward James Harris
Birth year c1902
Marriage Date: 6 Oct 1923
Place: Sydney, NSW
Spouse: Leila Nicholls [Parents = John Henry, bricklayer & Jane]
[Parents = Evan, blacksmith & Katherine Harris [sands]]
Geoff