Jean was the son of Eustache Séguin and Philomène Duquette. The date and place of his birth have not been found.
Jean-Baptiste Séguin
Eustache Séguin (1833-1886)
Jean-Louis Séguin dit Ladéroute (1753-1839)
Marie-Josephte Brazeau
Marie-Louise Girard
Philomène Duquette