Family Group Sheet| HUSBAND | | IJsbrand Jacobs | | BIRTH | 1674 | Workum | | REF # | | 21565; | | MARRIAGE | 27 April 1721 | Pingjum | | MARRIAGE | 18 January 1711 | Pijttje Sijtses; Pingjum | | FATHER | Jacob NN | | | | WIFE | | Trijntje Ybles | | REF # | | 21723; |
| | | CHILDREN | | 1. | Jacob IJsbrands MALE | | | BIRTH | 24 September 1713 | Wonseradeel | | REF # | | 21724; | | MARRIAGE | 18 November 1742 | Yttie Jorkes; Pingjum |
| | 2. | Sietse IJsbrands MALE | | | BIRTH | 1718 | Wonseradeel | | REF # | | 21733; |
| | 3. | Sjouke IJsbrands MALE | | | BIRTH | 1721 | Wonseradeel | | REF # | | 21734; |
| | 4. | Douwe IJsbrands MALE | | | BIRTH | 1724 | Wonseradeel | | REF # | | 21736; | | MARRIAGE | 23 February 1749 | Teetske Jakobs; Franeker |
| | 5. | Sjeuwke IJsbrands FEMALE | | | BIRTH | 1727 | Wonseradeel | | REF # | | 21735; |
| | 6. | Hittie IJsbrands FEMALE | | | BIRTH | 1730 | Wonseradeel | | REF # | | 21737; |
| | 7. | Iebeltje IJsbrands FEMALE | | | BIRTH | 1733 | Wonseradeel | | REF # | | 21738; |
| | 8. | Trijntie IJsbrands FEMALE | | | BIRTH | 21 October 1736 | Wonseradeel | | REF # | | 21739; |
| | 9. | Yble IJsbrands (Blanksma) MALE | | | BIRTH | 2 July 1740 | Wonseradeel | | REF # | | 21740; |
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