Re Reply#9, there are other children of Ernest and Minnie, so maybe we are looking for a sideways relative:
759/1890 BRABY EVA ERNEST MINNIE A SYDNEY
21549/1891 BRABY HECTOR ERNEST MINNIE A MARRICKVILLE
21896/1893 BRABY HAROLD ERNEST MINNIE A MARRICKVILLE
21897/1893 BRABY ARTHUR ERNEST MINNIE A MARRICKVILLE
7780/1897 BRABY RONALD ERNEST MINNIE A VAUCLUSE
Consider this thread well and truly hijacked
