Catharina Clasina Stam 1932–1987 | | | | Pieter Christiaan Stam 1904–1980 Catharina Clasina Six 1908–2000 | | | | Pieter Christian Stam 1865–1945 Wilhelmina Maria Sophia Limburg 1869–1909 | | | | Aletta van der Ent 1840–1924 | | |
| | | Johannes Cornelus Limburg – Wilhelmina Martiena Nedemans – |
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| | | Adrianus Johannes Six 1877–1958 |
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