Family:Tjalling Koopmans and Rigtje Joustra (1)

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Tjalling Pieters Koopmans	Rigtje Sjoerds Joustra

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Children

		Birth	Death
1.	Okje Koopmans

Retrieved from "https://www.werelate.org/wiki/Family:Tjalling_Koopmans_and_Rigtje_Joustra_%281%29"

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