Guillaume Jacques de Calbiac
- Born on April 27, 1787 in Montaut
- Baptized the same day in this municipality
- Deceased on June 12, 1787 in this municipality, in infancy
- Burial the next day in this municipality
Parents
- Géraud de Calbiac, alias de Calbiac-Bellerive (1749 - 1791), écuyer, avocat au parlement de Toulouse
- Antoinette de Bel (1761 - 1830)