- Father: Hendrik KNOOPS
- Mother: Johanna PEELEN
- Birth: ABT 1827, Amsterdam, Noord-Holland, Nederland
- Death: 13 Jul 1866, Haarlem, Noord-Holland, Nederland
- Partnership with: Cornelius EKAMA
Marriage: 10 Dec 1857, Haarlem, Noord-Holland, Nederland
Ancestors of Marretje Johanna KNOOPS
/-Lodewijk KNOOPS
/-Hendrik KNOOPS
| \-Anna Hendrika VIERVANT
Marretje Johanna KNOOPS
\-Johanna PEELEN
Descendants of Marretje Johanna KNOOPS
1 Marretje Johanna KNOOPS
=Cornelius EKAMA Marriage: 10 Dec 1857, Haarlem, Noord-Holland, Nederland