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| CHILDREN |
| 1. | Lolke Tittes Folkertsma MALE |
| | BIRTH | 10 July 1818 | Hemelum Oldeferd |
| REF # | | 23203; |
| MARRIAGE | 11 May 1855 | Trijntje Sierds de Jong; Hemelum Oldeferd |
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| 2. | Baukje Tjittes Folkertsma FEMALE |
| | BIRTH | 18 February 1820 | Hemelum Oldeferd |
| REF # | | 23231; |
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| 3. | Sytske Tjittes Folkertsma FEMALE |
| | BIRTH | 4 April 1822 | Hemelum Oldeferd |
| REF # | | 23232; |
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| 4. | Attje Tjittes Folkertsma FEMALE |
| | BIRTH | 10 December 1824 | Hemelum Oldeferd |
| REF # | | 23233; |