Family Group Sheet| FATHER | | Jan Hendriks Kooistra | | BIRTH | 1864 | Warga | | REF # | | 17921; | | FATHER | Hendrik Johannes Kooistra | | MOTHER | Martha Johannes Sipsma | | | | MOTHER | | Sipkje Harmens van Loon | | BIRTH | 1866 | Wartena | | DEATH | 23 July 1941 | Idaarderadeel | | REF # | | 17920; | | FATHER | Harmen Jimkes van Loon | | MOTHER | Eeke Luitzens Jager |
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