Family: John Peter Berken / Wilhelmina Maria Augusta Voltz (F165556)
Henry Hubertus Berken (1854-1934) 
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Johanna Bushmaker (1861-1939)
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Albert Henry Berken (1879-1944)  |
| Wilhelmina Berken (1886-1952) |
| Petronella Berken (1889-1963) |
| Theodore Berken (1895-1953) |
| John Peter Berken (1881-1952)
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| Wilhelmina Maria Augusta Voltz (1888-1974) |