NGV Stambomenverzameling
Gezin: Johannes Schaefer / Alida Catharina Peterson (F1313332838)
getr. 2 feb 1921Willem Fredrik Schaefer (1837-1903) 
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Jansje Alida Zwier (1841-1904)
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Hendrik Schaefer (1864- )  |
| Willem Fredrik Schaefer (1867-1869) |
| Henriette Schaefer (1869- ) |
| Willem Fredrik Schaefer (1871- ) |
| Johan Nicolaas Schaefer (1873- ) |
| Egbert Schaefer (1876- ) |
| Maria Antonia Schaefer (1880- ) |
| Johannes Schaefer (1863-1945)
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| Alida Catharina Peterson (1878- )
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