He soon moved back to Sydney with his parents , where at the age of 19 he married Hilda Bredt , the 17 - year - old daughter of prominent feminist and socialist Bertha Bredt .
He soon moved back to Sydney with his parents . 
 At the age of 19 he married Hilda Bredt , the 17 - year - old daughter of prominent feminist and socialist Bertha Bredt .