Jean St. Ville LeBlanc is one of the three brothers. He married Marie Onesia Jean-Louis, born Nov. 17, 1839. They were married Sept. 24, 1862, St. Jean's Cathedral Lafayette, La. Vol. #4 Page #212 #14. SWLR 7 Page #246. Witnesses to wedding were Jean Baptiste Narcisse, Alexandre Narcisse, and Don Louis Jean Louis.

Your ancestor, Marie Angelique Louis Sam, born Abt. 1822 was the wife of Jean Baptist Marie Jean-Louis Simon, born Abt. 1811, the uncle of Marie Onesia Jean-Louis, born Nov. 17, 1839 who married Jean St. Ville LeBlanc.

Harrison Thomas LaTour
LaTour Genealogical Collection