Jean Baptiste Cuillerier dit Beaubien was baptized January 6, 1709, in Montreal, Quebec, Canada. He served as a military officer in Quebec and then at Fort Detroit. In Detroit, he married Marie-Anne Lootman-Barrois on January 26, 1742, and they had at least 15 children, including Jean Baptiste Beaubien (1754-1792), who also served at Fort Detroit, and Antoine, who was lieutenant colonel in the 1st Regiment of Militia in Michigan Territory.
Joseph Nicholas Gouin was born in Detroit June 10, 1746. He married Mary Archange Boyer September 1, 1781, in Detroit and was the father of three children: Peter (b. 1781), Colette (1782-1848), and Claude (b. 1789). After his death in 1813, his widow and two younger children were involved in several land transactions deeding Nicholas's strip farms along the Detroit River to Collette and her husband, Dominique Riopelle.
Ambroise Riopelle was born March 3, 1738, at L'Ange Gardien, Quebec, Canada, and married Teresa Campau in Detroit in November 1766. They had 13 children, including Hiacynth (b. 1780) and Dominique (1787-1859