Johanna Frederica GEHRELS
- Birth: ABT 1822
- Death: 21 Oct 1861, Nijmegen
- Partnership with: Johan Arnoldus KNOOPS
Marriage: 10 Nov 1858, Nijmegen
- Child: George Johan Christoffel KNOOPS Birth: 23 Dec 1860, Nijmegen
Descendants of Johanna Frederica GEHRELS
1 Johanna Frederica GEHRELS =Johan Arnoldus KNOOPS Marriage: 10 Nov 1858, Nijmegen 2 George Johan Christoffel KNOOPS =Henrietta Louisa HOFFMANN Marriage: 16 Jun 1888, Heerlen