Jean-Marie Ducharme and Marie-Angélique Roy had 13 children from 1761 to 1782. Of these, 6 died young and 1 did not married (as far as I know).
Joseph, Paul, Dominique & Louis got married, as well as their sisters Marire-Thérèse-Véronique and Josephte.
A very good article about Jean-Marie Ducharme was published in French in «Mémoires de la Société généalogique Canadienne-Française», Vol. 51, no 1 (no 223), pages 13-22, under the title «Jean-Marie Ducharme, habile voyageur».