When Jean Baptiste Drouillet dit Lateulière was born in 1718, in Goutz, Gers, Midi-Pyrénées, France, his father, Henri Drouillet, was 18 and his mother, Claire Dupin Monfort, was 16. He married Marie Louise Laurent on 29 January 1753, in Beauport, Quebec, Quebec, Canada. They were the parents of at least 1 son and 3 daughters. He died in 1778, in Beauce, Quebec, Canada, at the age of 60.