Family Group Sheet| FATHER | | Jan Jacobus van Loon | | BIRTH | about 1635 | | | REF # | | 17494; | | OCCUPATION | | Kassier bij de bank van lening te Harlingen; | | FATHER | Jacobus Jans van Loon | | MOTHER | Dirckien Willems | | | | MOTHER | | Liefke Fransses Jettema | | REF # | | 17495; |
| | | CHILDREN | | 1. | Jacobus van Loon MALE | | | BIRTH | 1660 | Harlingen | | DEATH | before 1662 | | | REF # | | 17496; |
| | 2. | Jacobus van Loon MALE | | | BIRTH | 1662 | Harlingen | | REF # | | 17497; |
| | 3. | Dirkjen van Loon FEMALE | | | BIRTH | 1664 | Harlingen | | REF # | | 17498; |
| | 4. | Frans van Loon MALE | | | BIRTH | 1666 | Harlingen | | REF # | | 17499; |
| | 5. | Gerlakes van Loon MALE | | | BIRTH | 1668 | Harlingen | | REF # | | 17500; |
| | 6. | Willem van Loon MALE | | | BIRTH | 1670 | Harlingen | | DEATH | before 1672 | | | REF # | | 17501; |
| | 7. | Willem van Loon MALE | | | BIRTH | 1672 | Harlingen | | REF # | | 17502; |
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