Family Group Sheet| HUSBAND | | Douwe IJsbrands | | BIRTH | 1724 | Wonseradeel | | REF # | | 21736; | | MARRIAGE | 23 February 1749 | Franeker | | FATHER | IJsbrand Jacobs | | MOTHER | Trijntje Ybles | | | | WIFE | | Teetske Jakobs | | REF # | | 21741; |
| | | CHILDREN | | 1. | Brandt Douwes Blanksma MALE | | | BIRTH | 25 December 1749 | Pingjum | | REF # | | 21742; | | MARRIAGE | 19 April 1772 | Akke Jans; Pingjum | | MARRIAGE | 4 May 1783 | Jakobje Jans; Pingjum |
| | 2. | Antie Douwes FEMALE | | | BIRTH | 1771 | Pingjum | | DEATH | 1771 | | | REF # | | 21753; |
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