Family Group Sheet| FATHER | | Johannes Althusius | | BIRTH | about 1719 | Gaastmeer | | REF # | | 11819; | | FATHER | Joannes Johannes Althusius | | MOTHER | Berber Henderiks | | | | MOTHER | | Tietske Hylties | | REF # | | 11820; |
| | | CHILDREN | | 1. | Yke Johannes Althusius FEMALE | | | BIRTH | 1738 | | | DEATH | 29 October 1820 | Molkwerum | | MARRIAGE | 31 October 1762 | Arjen Reins ; |
| | 2. | Hyltje Althusius FEMALE | | | BIRTH | 25 November 1743 | Gaastmeer | | REF # | | 11821; |
| | 3. | Berber Althusius FEMALE | | | BIRTH | 28 March 1746 | Gaastmeer | | REF # | | 11822; |
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