- Father: Jan KNOOP
- Mother: Jenne GROBBEN
- Birth: 23 Aug 1838, Almelo, Overijssel, Nederland
- Death: 29 Oct 1897, Almelo, Overijssel, Nederland
- Partnership with: Janna KNOOP
Marriage: 21 Sep 1867, Almelo, Overijssel, Nederland
Ancestors of Gerrit Jan KNOOP
/-Gerrit KNOOP
/-Gerrit Jan KNOOP
| \-Janna LETTEBOER
/-Jan KNOOP
| \-Jenne GROBBEN
Gerrit Jan KNOOP
\-Jenne GROBBEN
Descendants of Gerrit Jan KNOOP
1 Gerrit Jan KNOOP
=Janna KNOOP Marriage: 21 Sep 1867, Almelo, Overijssel, Nederland