1. | Aaltje Thomas Bijlsma was born on 29 Jun 1849 in Oldeboorn, FR, NLD; died on 01 Jul 1920 in Utingeradeel, FR, NLD. Aaltje married Jacob Thees IJkema on 14 May 1875 in Utingeradeel, FR, NLD. Jacob (son of Thee Thees IJkema and Margjen Jacobs Cloo) was born on 20 Aug 1849 in Rotsterhaule, Schoterland, FR, NLD; died on 21 Mar 1924 in Utingeradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | Margje Jacobs IJkema ![]() Margje married Frederik Willems Kroes on 12 May 1904 in Utingeradeel, FR, NLD. Frederik (son of Willem Hendriks Kroes and Trijntje Jans de Vries) was born about 1875 in Jubbega Schurega, Schoterland, FR, NLD. [Group Sheet] [Family Chart]
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3. | Thomas Jacobs IJkema ![]() Thomas married Rinske Hendriks Bethlehem on 29 Jan 1925 in Utingeradeel, FR, NLD. Rinske (daughter of Hendrik Haijes Bethlehem and Joukje Foppes Helmus) was born on 15 Aug 1893 in Terwispel, Opsterland, FR, NLD; died on 30 May 1943 in Oldeboorn, FR, NLD. [Group Sheet] [Family Chart]
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4. | Thee Jacobs IJkema ![]() Thee married Catharina Willems Nijdam on 08 May 1919 in Utingeradeel, FR, NLD. Catharina (daughter of Willem Willems Nijdam and Trijntje Aukes van der West) was born on 12 Oct 1888 in Oldeboorn, FR, NLD; died on 24 Dec 1970. [Group Sheet] [Family Chart]
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5. | Elske Jacobs IJkema ![]() Elske married Jan Sipkes Castelein on 06 May 1909 in Tietjerksteradeel, FR, NLD. Jan (son of Sipke Arends Castelein and Eelkje Jans Kooistra) was born about 1883 in Suawoude, Tietjerksteradeel, FR, NLD. [Group Sheet] [Family Chart]
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6. | Froukje Jacobs IJkema ![]() Froukje married Auke Pieters Dijkstra on 14 Jun 1922 in Maarssen, UT, NLD. Auke (son of Pieter Aukes Dijkstra and Trijntje Tjeerds Bosch) was born on 09 Apr 1893 in Grouw, Idaarderadeel, FR, NLD. [Group Sheet] [Family Chart] |
7. | Jacob Frederiks Kroes ![]() Jacob married E.T. Akkerman [Group Sheet] [Family Chart]
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8. | J.T. IJkema ![]() |
9. | A.J. IJkema ![]() |
10. | A.T. IJkema ![]() |
11. | T.T. IJkema ![]() |
12. | Sipke Jans Castelein ![]() Sipke married J.D. Sietsma [Group Sheet] [Family Chart]
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13. | J.J. Castelein ![]() |
14. | M.J. Kroes ![]() |
15. | J.S. Castelein ![]() |
16. | D.S. Castelein ![]() |