1. | Douwe Wiebes Sietsma was born about 1858 in Boornbergum, Smallingerland, FR, NLD. Douwe married Baukje Pieters Sibma on 21 Apr 1898 in Idaarderadeel, FR, NLD. Baukje (daughter of Pieter Douwes Sibma and Wijtske Hillebrands Beerligs) was born about 1871 in Garijp, Tietjerksteradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | J.D. Sietsma (1.Douwe1) J.D. married S.J. Castelein [Group Sheet] [Family Chart]
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3. | J.S. Castelein (2.J.D.2, 1.Douwe1) |
4. | D.S. Castelein (2.J.D.2, 1.Douwe1) |