Family Group Sheet| FATHER | | Douwe Sijtsma | | BIRTH | 1925 | | | DEATH | 6 January 1980 | | | REF # | | 20921; | | FATHER | Sijtse Sijtsma | | MOTHER | Izaakje (Saakje) Wiarda | | | | MOTHER | | Alie de Winter | | BIRTH | 26 August 1930 | | | DEATH | 7 July 2021 | | | REF # | | 20920; | | FATHER | Pieter Pieters de Winter | | MOTHER | Corneliske Douwes Homma |
| | | CHILDREN | | 1. | Corry Sijtsma FEMALE | | | REF # | | 23579; |
| | 2. | Annie Sijtsma FEMALE | | | REF # | | 18466; |
| | 3. | Marianne Sijtsma FEMALE | | | REF # | | 23566; |
| | 4. | Saskia Sijtsma FEMALE | | | REF # | | 21111; |
| | 5. | Sijtze Sijtsma MALE | | | REF # | | 23580; |
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