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Israel Kolthoff
to: Dina Hijmans, birth 's Gravenhage, Zuid-Holland, Nederland, died 14 Dec 1932 Groningen, Groningen, Nederland, daughter of Maurits Hijmans and Geertruida van Gelder |
| 1) Geertruida Kolthoff, birth 17 Feb 1905 Groningen, Groningen, Nederland |