Jean Henri Jules Demonceau
- Born in 1791
- Deceased in 1856, at the approximate age of 64 years
Parents
- Grégoire Henri Joseph Demonceau (1754 - 1838)
- Dieudonnée Joseff (c. 1762 - 1815)
Family
- Married in 1825 in Liège, with Marie Anne Augustine Piette (1802 - 1886), issuing
Adèle (1828 - 1889)- Jules (1830 - 1881)
- Cécile Joséphine Augustin (1839 - 1882)
- Auguste Pierre Joseph (1842 - 1902)