Gezinsblad
Niklaas Koerts Martens, birth 3 Sep 1791 Wirdum, Loppersum, Groningen, Netherlands, occupation: ijzersmid, kastelein, son of Koert Jans and Lucretia Nicolaas Martens
Married 4 Feb 1820 Uithuizen (Gr), @N1210@ to:
Geertje Jans Haan, birth 17 Apr 1768 Loppersum, Groningen, Netherlands, occupation: smidsche, daughter of Jan Jacobs Haan and Sara de Beer

Gezinsblad
Niklaas Koerts Martens
Married 1 Dec 1850 Groningen (Gr), @N1211@ to:
Willemina Dikema, birth 30 Aug 1801 Wittewierum, Ten Boer, Groningen, Netherlands, daughter of Jan Dikema and Ambrozia Elisabeth Wolthuis
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