Family page
Marten Roukes to:
Susanna Wittenaar
1) Henderikus Roukes, birth 3 Aug 1872 Muntendam, occupation: letterzetter
Married 1 Jul 1897 Groningen, Groningen, Nederland to:
Anna Sipsma, birth 18 Jul 1869 Groningen, Groningen, Nederland, daughter of Tekke Sipsma and Clazina Ottenhof
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