1. | Harm Voulon was born about 1891 in Onstwedde, GR, NLD. Harm married Roelfje Blank on 05 Sep 1913 in Odoorn, DR, NLD. Roelfje (daughter of Jan Blank and Jantje de Jonge) was born about 1892 in Odoorn, DR, NLD. [Group Sheet] [Family Chart]
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2. | Hendrik Jan Voulon ![]() |