François-Olivier Thomelin
- Born on March 7, 1719 in Guipry, at manoir du Guest
- Baptized on April 28, 1722 in this municipality
Parents
- Vincent II Thomelin (c. 1681 - 1720), chevalier, seigneur de La Caillibotière
- Anne-Thomasse Trochet (1675 - 1768), dame du Guest