
| 1. | Frederick Jansz JANSZEN was born about 1622 in Flensburg, Schleswig-Holstein, Germany; died before 1652 in New Amsterdam, New Netherland. Frederick married Grietje JANS VAN GROENINGEN about 1645. [Group Sheet]
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| 2. | Jan FREDERICK Jan married Aeltje JANS. [Group Sheet]
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| 3. | Abraham FREDERIKSEN |