Hi Denise
Both Charley and Willie are mentioned in her funeral notice of sep 1920
http://trove.nla.gov.au/ndp/del/article/16866833?searchTerm=...and in 1921 you need to go to the next column it is not highlighted but Charles and Willie are both mentioned
http://trove.nla.gov.au/ndp/del/article/15983492?searchTerm=...Karin
EDIT There is also an In Memoriam for Catherine Gordon in 1922 but only by Charles not Willie