1. | Thomas Willems Koolhaas was born about 1803 in Marrum, Ferwerderadeel, FR, NLD (son of Willem Jans Koolhaas and Grietje Thomas). Thomas married Atje Jacobs Roorda on 17 Feb 1825 in Ferwerderadeel, FR, NLD. Atje (daughter of Jacob Lolkes Roorda and Grietje Martinus) was born about 1802 in Genum, Ferwerderadeel, FR, NLD. [Group Sheet] [Family Chart] Children:
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2. | Willem Jans Koolhaas Willem married Grietje Thomas. [Group Sheet] [Family Chart] |
3. | Grietje Thomas
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