Hi,
You know that Olive JONES was born April 1919 at Athabasca Alberta.

Have you obtained the GENEALOGICAL REGISTRATION of BIRTH.?
It will show the names of parents ,place of birth of parents etc.

The GENEALOGICAL REGISTRATION of MARRIAGE: between Olive JONES - and ? ETTER would have the names of both sets of parents - their places of birth etc.

Do you know When? Where? Olive ETTER - nee JONES passed away?
GENEALOGICAL REGISTRATION of DEATH:- will show the names of her parents - their place of birth - as known to the Informant.

Have you asked the children Murray, Ray & Janet ETTER - if they know the name of the parents of their mother Olive ETTER nee JONES ?

Was there a Marriage for Olive JONES and Edwin MALLETTE?

Genealogical Registration of Birth,Marriage,Death - can be obtained from the Govt of Alberta Vital Statistics Dept - Registry Offices. The cost in the $40 range.

Obituaries may prove helpful.
Funeral Home may be able to advise re some information.
Cheers, Stella