Marie de Joncourt
- Born on July 22, 1747 in The Hague
- Deceased on May 3, 1821 in Copenhagen, at the age of 73 years
Parents
- Louis Gertrude de Joncourt (1711 - 1788)
- Rachel d'Amberbos (1719 - 1788)
Family
- Married on January 7, 1770 in The Hague, with Frédéric de Coninck (1740 - 1811), armateur hollandais, issuing
- Marie Anne
- Louise (1775 - 1851)
Louis Charles Frédéric (1779 - 1852)