- Birth: 1897, Keulen, Duitsland
- Occupation: Kantoorbediende, Schrijver ter gemeente-secretarie van Amsterdam
- Partnership with: Alida Wilhelmina ENGEL
Marriage: 7 Feb 1918, Amsterdam, Noord-Holland, Nederland
Divorce: (Date and Place unknown)
- Partnership with: Johanna Louisa PIERIK
Marriage: 29 Apr 1925, Amsterdam, Noord-Holland, Nederland
Descendants of Jakob Martin WILMSEN
1 Jakob Martin WILMSEN
=Alida Wilhelmina ENGEL Marriage: 7 Feb 1918, Amsterdam, Noord-Holland, Nederland
=Johanna Louisa PIERIK Marriage: 29 Apr 1925, Amsterdam, Noord-Holland, Nederland