Family Group Sheet| FATHER | | Jan Twijnstra | | BIRTH | 23 December 1902 | Wymbritsradeel | | REF # | | 25655; | | FATHER | Hendrik Jans Twijnstra | | MOTHER | Rinske Siemons Hiemstra | | | | MOTHER | | G. Andela | | REF # | | 25656; | | FATHER | Pieter Jelles Andela |
| | | CHILDREN | | 1. | Rinske Wietsche Twijnstra FEMALE | | | BIRTH | 30 May 1935 | Waaxens | | REF # | | 25657; | | MARRIAGE | 1958 | Douwe Wijnia; |
| | 2. | Sierkje Twijnstra FEMALE | | | BIRTH | 8 December 1937 | | | REF # | | 25658; |
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