Auguste Ferdinand Prosper Joncourt
- Born on April 5, 1826 in Grugies
Parents
- Jean Baptiste Joncourt (1799 - ), maréchal ferrant à Grugies
- Marie Catherine Virginie de Viefville (1798 - )
Family
- Married on February 2, 1853 in Grugies, with Marguerite Adèle Legrand