Pierre Joseph Hiernaux
- Born on December 14, 1781 in Charleroi
- Baptized the same day in this municipality
Parents
- Feuillens Joseph Hiernaux (1753 - c. 1793)
- Marie Joseph Frère (1758 - c. 1793)
Family
- Married on September 3, 1813 in Charleroi, with Désirée Hiernaux (c. 1792 - ), journalière