+---- Cornelis van Leeuwen
+---- Cornelis van Leeuwen ca 1846-1921
| +---- Jaapje Roodenburg
+---- Pieter Cornelis van Leeuwen
| | +---- ? ?
| | +---- Pieter Philippa 1798-1845
| | | +---- Elisabeth Kitselaar 1780-1833
| +---- Elisabeth Philippa 1842-1933
| | +---- Matthijs Mulder ca 1772-1842
| +---- Helena Mulder 1801-1863
| +---- Esther Welder ca 1783-1838
==== Maria Emerentia van Leeuwen
+---- Johanna Hendrina Hodes
|