+---- Theodorus Jansen Willems †
==== Petrus Willems 1716-
| +---- Marten Willem Erckens ca 1580-ca 1650
| +---- Franciscus van den Warsenborch ca 1614-1684
| | +---- Anna Anthonij Vlemincx ca 1570-
| +---- Petrus van de Waerenburch ca 1655-1709
| | +---- Mechtel Hendricx ca 1610-
+---- Hadewigis van de Waerenburch 1686-
+---- Mechtildis Verberne †1735
|