1. | Janna Pieters Westerhof was born about 1849 in Ureterp, Opsterland, FR, NLD. Janna married Ritske Rinses Koolstra on 17 Nov 1875 in Leeuwarden, FR, NLD. Ritske (son of Rinse Jans Koolstra and Antje Kool) was born about 1852 in Leeuwarden, FR, NLD. [Group Sheet] [Family Chart]
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2. | Rinze Ritskes Koolstra ![]() Rinze married Trijntje Roelofs Smilde on 30 Aug 1909 in Sneek, FR, NLD. Trijntje (daughter of Roelof Lubberts Smilde and Meintje Romkema) was born on 27 Nov 1881 in Sneek, FR, NLD; died in Utrecht, UT, NLD. [Group Sheet] [Family Chart]
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3. | R. Koolstra ![]() Family/Spouse: J. Lindeboom. [Group Sheet] [Family Chart] |
4. | R. Koolstra ![]() |
5. | M. Koolstra ![]() |
6. | J. Koolstra ![]() |
7. | M. Koolstra ![]() Family/Spouse: P. van Klaveren. [Group Sheet] [Family Chart] |
8. | L.E. Koolstra ![]() |