Family Group Sheet| FATHER | | Yble IJsbrands (Blanksma) | | BIRTH | 2 July 1740 | Wonseradeel | | REF # | | 21740; | | FATHER | IJsbrand Jacobs | | MOTHER | Trijntje Ybles | | | | MOTHER | | Eeke Ulbes | | REF # | | 21758; |
| | | CHILDREN | | 1. | Ulbe Ybles MALE | | | BIRTH | 10 January 1783 | Pingjum | | DEATH | before 1791 | | | REF # | | 21759; |
| | 2. | Durk Ybles MALE | | | BIRTH | 29 July 1786 | Pingjum | | DEATH | before 1811 | | | REF # | | 21760; |
| | 3. | Antje Ybles FEMALE | | | BIRTH | 30 August 1788 | Pingjum | | DEATH | before 1811 | | | REF # | | 21761; |
| | 4. | Ulbe Ybles Blanksma MALE | | | BIRTH | 13 February 1790 | Pingjum | | DEATH | 27 March 1857 | Wonseradeel | | REF # | | 21762; | | MARRIAGE | 18 June 1842 | Marijke Pieters Westra; Wonseradeel |
| | 5. | Trijntie Ybles Blanksma FEMALE | | | BIRTH | 7 August 1791 | Pingjum | | REF # | | 21763; | | MARRIAGE | 29 June 1816 | Andries Sybrens Bergsma; Wonseradeel |
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