1. | Cornelis Douwes Boersma was born about 1885 in Vrouwenparochie, Het Bildt, FR, NLD. Cornelis married Akke Gerkes Visser on 28 Oct 1909 in Het Bildt, FR, NLD. Akke (daughter of Gerke Visser and Tjeerdje Bijlsma) was born about 1890 in Hieslum, Wonseradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | Catharina Elisabeth Boersma (1.Cornelis1) was born on 11 Jul 1920 in Exmorra, Wonseradeel, FR, NLD; died on 05 Sep 1981 in Groningen, GR, NLD. Catharina married P.M. van Kalsbeek [Group Sheet] [Family Chart]
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3. | J.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) J.P. married T.F. Algra [Group Sheet] [Family Chart] |
4. | G.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) G.P. married D.I. de Jong [Group Sheet] [Family Chart] |
5. | M.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) M.P. married S.S. Sijpersma [Group Sheet] [Family Chart] |
6. | A.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) A.P. married A. Otter [Group Sheet] [Family Chart] |
7. | C.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) C.P. married R. Jansma [Group Sheet] [Family Chart]
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8. | D.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) D.P. married T.L. Visser [Group Sheet] [Family Chart]
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9. | K.J. van Kalsbeek (2.Catharina2, 1.Cornelis1) |
10. | G.P. van Kalsbeek (2.Catharina2, 1.Cornelis1) G.P. married A.F. de Boer [Group Sheet] [Family Chart]
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11. | P.M. van Kalsbeek (7.C.P.3, 2.Catharina2, 1.Cornelis1) |
12. | J.K. van Kalsbeek (7.C.P.3, 2.Catharina2, 1.Cornelis1) |
13. | P.M. van Kalsbeek (8.D.P.3, 2.Catharina2, 1.Cornelis1) |
14. | L.J. Kalsbeek (8.D.P.3, 2.Catharina2, 1.Cornelis1) |
15. | P.M. van Kalsbeek (10.G.P.3, 2.Catharina2, 1.Cornelis1) |
16. | K.J. van Kalsbeek (10.G.P.3, 2.Catharina2, 1.Cornelis1) |