Bret McCann testified that he visited with his parents, who were in their late 70s, the day before they set out for a camping holiday in British Columbia.
Melissa Ann Shepard, now in her early 80s, was sentenced in June 2013 to two years, nine months and 10 days in jail for spiking her newlywed husband's coffee with tranquilizers
Party leader and Premier Brad Wall says parents would be allowed to decide how best to use the financial support.
Adam Daifallah, a spokesman for Black, says the former media mogul plans to stay in the house as a tenant.
Court documents show the patient wants a constitutional exemption for a physician-assisted death because of two grievous medical conditions that are causing suffering.
Ethics commissioner Marguerite Trussler, in a report issued Monday, expressed concern that both fundraising events were kept quiet from the public.