- Born on October 16, 1812 in Brussels
- Deceased on April 12, 1893 in this municipality, at the age of 80 years
Parents
- Pierre de Knyff (1784 - 1847), chevalier, échevin de Bruxelles, directeur général de la Police
- Constance de Vinchant de Gontreuil (1790 - 1865)
Family
- Married in 1847 in Mons, with Eudolie de La Roche (1826 - 1903), issuing
Nathalie (1851 - 1883)