I found this family in 1900 in Rice Lake, Barron, Wisconsin.
Victor Marquis, b. April 1865, ME, 35, farmer.
Lizzie, wife, b. July 1877, Canada French.
Josephine, b. ME Dec 1886.
Ida, b. WI, Jan 1888.
Victor, b. WI March 1899.
Alfred, b. WI, March 1900 maybe Rice Lake.
In 1906 they're living in Qu'Appelle, Saskatchewan, Canada
Victor Marquis, b. uSa, 40
Lizzie, wife, b. ON, 36
Josephine, b. USA, 19
Victor, b. USA, 7.
Harold, b. USA, 6.
Ida Hoag, dau, b. USA, 18
Irene Hoag, granddau, b. Sask, 1
A mrs. Victor Marquis, 49, died 26 Dec 1918: 138-631 in Montana. Contact Office Vital Statistics in Helena for details.
Source: Montana Death Index
I didn't find Harold Alfred anywhere else in the USA. I imagine that at some point he went back to Canada. Successful Searching!