Hi, I'm researching this line also. This is the information I have for Jacques Catudal dit St Jean. He was born to Jean Baptiste Catudal and Angelique Sabourin on 20 Aug 1735 in Chambly. He married Marie Genevieve Villemarie on 4 Aug 1766 in Chambly, and died 19 Apr 1790 in Beloeil.