- Born on September 9, 1711 in Hesdin
- Deceased on April 24, 1775, at the age of 63 years
Parents
- François de Cunchy (1681 - ), seigneur de Tremblay
- Marie Philippe de La Porte (1689 - 1730)
Family
- Married on June 26, 1740, with Catherine Marguerite Philippine Brigitte de La Motte-Bellebronne ( - 1775), dame de Pommeras, issuing
- Philippe François Marie Joseph (1740 - 1813)
Marie Guislaine Ernestine Joseph Sophie (1746 - 1820)- Charles Joseph Guislain Marie (1747 - )
- Louis François Guislain (1748 - )
- Marc Guislain Marie (1749 - )
- Julie (1751 - 1812)
- Guislain Marie Joseph Alexandre
- Valentine Alexandrine Josèphe (1754 - 1826)
Occupations
- capitaine au régiment de la Marine