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Dirk Martens (1846-1918)
|
Willemina Schans (1843-1912)
|
Cornelia Mertens (1875-1951)  |
| Martha Mertens (1876-1878) |
| Christina Matilda Martens (1880- ) |
| Dirk Mertens (1882-1939) |
| Wilhelmina Mertens (1884-1948) |
| Johannes Martens (1887-1895) |
| Gerard van der Welle (1875- )
|
| Gerritje Martens (1877- )
|
| Pieter van der Welle (1902- ) |
