Family Group SheetHUSBAND | IJsbrand Jacobs | BIRTH | 1674 | Workum | REF # | | 21565; | MARRIAGE | 18 January 1711 | Pingjum | MARRIAGE | 27 April 1721 | Trijntje Ybles; Pingjum | FATHER | Jacob NN | | WIFE | Pijttje Sijtses | REF # | | 21728; |
| CHILDREN | 1. | Hendrik IJsbrands MALE | | BIRTH | about 1688 | | REF # | | 4792; |
| 2. | Sybe IJsbrands MALE | | BIRTH | about 1695 | | REF # | | 21586; |
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