Hi James:
I don't know if this is the family connection for you or not?
From the Manitoba Vital Stats site at:
http://web2.gov.mb.ca/cca/vital/Query.phpJohn Roderick McDonald, Male, born June 8, 1899 at Portage La Prairie, Parents Marital Status: Married, Mother Mary Mitilda Henderson, Man. Vital Stat. Reg. No. 1899-006222
Other Children with the same mother are:
Sarah Roseann McDonald, Female, born August 9, 1901, at Portage la Prairie Man. Vital Stats. Reg. No. 1902-003534
Myles James McDonald, Male, born November 24, 1889, at Portage la Prairie, mother Matilda Henderson, Man. Vital Stats reg. No. 1890-005721
Daisy May Margaret McDonald, Female, born May 4, 1894, at Portage la Prairie, mother Mary Henderson. Man. Vital Stats Reg. No. 1894-001192
Willam Duncan McDonald, Male, born October 2, 1896, R. M. of Portage la Prairie, mother Mary Matil Henderson, Man. Vital Stats. Reg. No. 1896-19614462
Hope this helps. If you sepend the time to look around the site you may find the marriages of them as well.
Rosemary