Grégoire Demonceau
- Born in 1795 in Herve
- Deceased in 1854, at the approximate age of 58 years
Parents
- Grégoire Henri Joseph Demonceau (1754 - 1838)
- Dieudonnée Joseff (c. 1762 - 1815)
Family
- Married in 1825 in Herve, with Jeanne Laurence Adelaïde Didellon