According to https://online.justice.vic.gov.au/bdm/indexsearch.doj the death record for Peter Taylor in 1985 records his parents as Robert Guy TAYLOR & Elsie Lillian WALLER, his place of birth was Maryborough & he was age 54 when he died. Ref. #13406.
From http://www.freebmd.org.uk/cgi/search.pl Robert G. TAYLOR married Elsie L. WALLER in Jun Qtr 1923 in Cambridge registration district Vol. 3b, page 1122.
There is also an article on TROVE under "Law Notices" mentioning Robert Guy Taylor of Maryborough http://trove.nla.gov.au/newspaper/article/205854170 & several further articles in relation to bankruptcy proceedings.