Can you provide any more information? Approximate birth or death dates for William? Birth dates of children?
Any more information about Jacob Culver or where William's wife Mary remarried?
We have Elvira (Elvorita) ARMOUR b. 1863 WI, daughter of William James Armour b. 1813 NY, and Mary Shory Irish. Elvira Armour m. early 1880's KS, Thomas Nathan CULVER, son of Benjamin Malone Culver and Mary Jane Grinslade.
I have no reason to think there is a connection.Just names Armour and Culver, and I have little other information.
Incidentally, we're stuck on parents of "our" William Armour Kate MacMillan