Latremouille was born and raised in [[Vancouver]]. His parents divorced when he was two and his mother later remarried, to writer [[Robert Harlow (writer)|Robert Harlow]].<ref name="The Globe and Mail" /> In his mid-late 20s, Latrermouille was diagnosed with cancer.<ref>{{Cite news|date=1993-04-22|title=Pondering The Vitamin pill|pages=1|work=The Vancouver Sun|url=https://www.newspapers.com/clip/87678164/pondering-the-vitamin-pill/|access-date=2021-10-24}}</ref> In 1986, Latremouille married his co-host at CFUN, Cathy Baldazzi.<ref name=":0" /> It was his second marriage.<ref>{{Cite news|date=1970-09-25|title=Fred Latremouille -Richmond, British Columbia, Canada 25 Sept 1970|pages=8|work=Richmond Review|url=https://www.newspapers.com/clip/16633208/fred-latremouille-richmond-british/|access-date=2021-10-24}}</ref>
