I have Marsacs in my family tree.Actually 2 different Marsacs:
- Cecil Marsac Married Leon Tremblay, amnd - Joseph Tremblay married a Ms Marsac.
I have just begun researching, so I am still focused on the Trombleys, but if you have any information on the Marsacs, I would really appreciate a copy.I don't think there were too many Marsacs in early Detroit.We are probably related. I think both families were early settlors of the Saginaw Bay, MI (Detroit) area as well as the Grand Rapids area.
PS.Leon Tremblay did witness several treaties with the indians.