George and Sophia is Betty parent not sure if that what u mean p
George and Sophia might have brought Betty up, but that's not the same thing as actually being her birth parents.
If George gives his middle name as Rowsell in 1936 and there's a Betty Evelyn Rowsell b.1905, it seems likely to me that there's a connection, but without seeing Betty's birth certificate, we just don't know what that connection is.
Betty Evelyn
FOULGER was obviously born in New South Wales and that information is simply not available in the public arena. We have strict privacy laws.
Tracey if you purchase a transcription of either George Russell
FOULGER's death certificate or his wife's, it will give the names of the children of the marriage, their ages and whether living or deceased.
George appears to be the son of ...
Marriages Sep 1886
AMES Ellen Jane Norwich 4b/200
FOULGER Clement Norwich 4b/200
I would suggest that his name as been mistranscribed on the electoral rolls.
They had a son Clement Dennis who died in 1940 in NSW, but you may have those details.
Too late for me to type up the 1901 census. Someone else may be kind enough to do that.
Cheers
Cando