Family Group Sheet| HUSBAND | | Saekle Koopmans | | REF # | | 1252; | | MARRIAGE | 9 May 1874 | Witmarsum | | | | WIFE | | Jetske Volbeda | | REF # | | 1249; | | FATHER | Sikke Pieters Volbeda | | MOTHER | Lijsbeth Sytses van der Kooy |
| | | CHILDREN | | 1. | Elisabeth Koopmans FEMALE | | | REF # | | 1253; |
| | 2. | Sikke Koopmans MALE | | | REF # | | 1255; |
| | 3. | Sikke Koopmans MALE | | | REF # | | 1256; |
| | 4. | Freek Koopmans MALE | | | REF # | | 1257; |
| | 5. | Jan Koopmans MALE | | | REF # | | 1258; |
| | 6. | Freerk Koopmans MALE | | | BIRTH | about 1880 | | | REF # | | 1254; |
| | 7. | Baukje Koopmans FEMALE | | | BIRTH | about 1880 | | | REF # | | 1259; |
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