- Father: Jacobus KNOOPS
- Mother: Elisabeth JANSSEN
- Birth: 17 Jul 1823, Heel en Panheel, Limburg, Nederland
- Death: 16 Sep 1895, Heel en Panheel, Limburg, Nederland
Ancestors of Maria Helena KNOOPS
/-Antonius KNOOPS
/-Gerardus KNOOPS
| \-Gertruidis JANSSEN
/-Jacobus KNOOPS
| \-Margaretha HANSEN
Maria Helena KNOOPS
\-Elisabeth JANSSEN
Descendants of Maria Helena KNOOPS
1 Maria Helena KNOOPS
=Leonardus HOUTACKERS Marriage: 12 Jan 1856, Heel en Panheel