| Father | Male Gradus Willemse |
| Born | 11 Nov 1774 | Dreumel, Gelderland, Netherlands |
| Died | 22 Apr 1840 | Dreumel, Gelderland, Netherlands |
| Buried | ||
| Married | 19 Feb 1816 | Dreumel, Gelderland, Netherlands |
| Other Spouse | Johanna VanOs | F9154 | |
| Married | 20 Jan 1812 | Dreumel, Gelderland, Netherlands |
| Father | Godefridus Willemse | F134577 Group Sheet | |
| Mother | Gertrudis Crielen | F134577 Group Sheet | |
| Mother | Female Johanna DeKeijser |
| Born | 22 Sep 1787 | Dreumel, Gelderland, Netherlands |
| Died | 12 Oct 1831 | Dreumel, Gelderland, Netherlands |
| Buried | ||
| Father | Cornelis deKeijser | F134579 Group Sheet | |
| Mother | Aldegondis Theunisse Coijmans | F134579 Group Sheet | |
| Child 1 | Male Gerardus Willemse |
| Born | cir 1817 | Dreumel, Gelderland, Netherlands |
| Died | 27 Jan 1853 | Dreumel, Gelderland, Netherlands |
| Buried | ||
| Spouse | Carolina Baars | F134578 | |
| Married | 26 May 1849 | Dreumel, Gelderland, Netherlands |
| Child 2 | Male Aaldert Willemse |
| Born | 23 Aug 1820 | Dreumel, Gelderland, Netherlands |
| Died | 24 Feb 1889 | Freedom, Outagamie Co, Wisconsin |
| Buried | ||
| Spouse | Anna Marie VanHoften | F3332 | |
| Married | 30 Apr 1851 | Dreumel, Gelderland, Netherlands |
| Child 3 | Male Cornelis Willemse |
| Born | 29 Sep 1823 | Dreumel, Gelderland, Netherlands |
| Died | 19 Feb 1847 | Dreumel, Gelderland, Netherlands |
| Buried |
| Child 5 | Female Geertruij Willemse |
| Born | 13 Sep 1831 | Dreumel, Gelderland, Netherlands |
| Died | 06 Feb 1832 | Dreumel, Gelderland, Netherlands |
| Buried |