- Born on February 25, 1725 in Quimper
- Deceased on June 17, 1803 in Quéménéven, at manoir de Treffry, at the age of 78 years
Parents
- Jean-Baptiste de La Roque-Trémaria (1663 - 1755)
- Marie Corentine Laënnec ( - 1773)
Family
- Married on February 8, 1751 in Quimper, with Marie Françoise Corentine Huchet de Kerourain (1723 - ), issuing
- Guillaume-François (1754 - 1817)