Maria Lamers
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- 1 Maria Lamers [1]
- Leendert Arts
- 2 Maria Arts [1.1] b. Abt 1784 d. 26 Feb 1855
- Jan Poortman b. Abt 1788 d. 16 Apr 1862
- 3 Peter Portman [1.1.1] b. 8 Apr 1816
- Wilhelmina Moos
- 4 Johannes Hendrikus Portman [1.1.1.1] b. 9 Dec 1859
[ =>]
- 4 Johannes Hendrikus Portman [1.1.1.1]
- 3 Peter Portman [1.1.1]
- 2 Maria Arts [1.1]