Cousin Remi has the Marchand -Morineau marriage listed but not the other 2; I suspect that nonr of them are related. On the other hand, someone erased the name of Jacques' parents from the wedding contract; many hours have been spent in Canada and in France trying to recover from that.
Good Luck with your research!!
At the moment, I too am trying to help someone, a william Trottier dit LaBissoniere from Minneapolis trace his ancestry too Gilles Trottier, through his G-grand father Joseph, who died in 1861 in St Paul MN.