Family Group Sheet| FATHER | | Gerben Grouwstra | | BIRTH | 3 June 1866 | Gaasterland | | REF # | | 20809; | | FATHER | Gabe Gerbens Grouwstra | | MOTHER | Rinske Folkerts van der Zee | | | | MOTHER | | Symentje Vlink | | BIRTH | 30 October 1865 | Gaasterland | | REF # | | 20810; | | FATHER | Willem Siemens Vlink | | MOTHER | Sieuwke Abrahams van der Werf |
| | | CHILDREN | | 1. | Sjeuwke Grouwstra FEMALE | | | BIRTH | 1891 | Gaasterland | | DEATH | 24 December 1956 | Sondel | | REF # | | 20817; | | MARRIAGE | 23 November 1912 | Okke van Solkema; |
| | 2. | Rinske Grouwstra FEMALE | | | BIRTH | 1892 | Gaasterland | | REF # | | 20818; |
| | 3. | Taetsche Grouwstra FEMALE | | | BIRTH | 20 June 1894 | Gaasterland | | DEATH | 22 March 1984 | | | REF # | | 20811; |
| | 4. | Gabe Grouwstra MALE | | | BIRTH | 1897 | Gaasterland | | REF # | | 20813; |
| | 5. | Willem Grouwstra MALE | | | BIRTH | 1899 | Gaasterland | | REF # | | 20814; |
| | 6. | Tjaltje Grouwstra FEMALE | | | BIRTH | 1900 | Gaasterland | | REF # | | 20815; |
| | 7. | Jantje Grouwstra FEMALE | | | BIRTH | 1901 | Gaasterland | | REF # | | 20816; |
| | 8. | Lucas Grouwstra MALE | | | BIRTH | 17 March 1905 | Gaasterland | | DEATH | 28 September 1997 | Balk | | REF # | | 20812; |
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