Family Group SheetHUSBAND | 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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