Jules Demonceau
- Born on September 26, 1830 in Liège
- Deceased on January 19, 1881, at the age of 50 years
Parents
- Jean Henri Jules Demonceau (1791 - 1856)
- Marie Anne Augustine Piette (1802 - 1886)
Family
- Married on May 30, 1865 in Liège, with Léonie Fabri (1839 - 1923), issuing
- Victor (1868 - 1871)
- Henri Joseph Marie (1874 - 1909)
Marie Julie Victoire Sophie (1876 - 1950)- Adélaïde (1878 - 1945)
- Juliette (1879 - 1958)