Louis Alfred Eugène Joncourt
- Born on July 26, 1824 in Grugies
Parents
- Jean Baptiste Joncourt (1799 - ), maréchal ferrant à Grugies
- Marie Catherine Virginie de Viefville (1798 - )
Family
- Married on September 21, 1848 in Essigny-le-Grand, with Clémence Joséphine Gambart (1822 - )