 Jean Baptiste GrandmaisonBorn estimated EST. WFT, 1731-1763, died estimated EST. WFT, 1788-1850, approximately 87 years Married Oct 20, 1783 (approximately 67 years married) to:  Madeleine Dube, daughter of Louis Dube and Marie Therese Nadeau.Born estimated EST. WFT, 1751-1771, died estimated EST. WFT, 1788-1858, approximately 87 years | |||