If you search in the NSW death indexes

http://www.bdm.nsw.gov.au
Parents Fergus and Mary J

Margaret d. 1900 Balranald
Charles d.1893 Balranald
Norah J d.1885 Balranald
John Thomas d.1953 Wagga Wagga
Edward J d. 1933 Balranald <-- would say this is Edward James born in Vic.

So they did have other Children but i can't find any registered?