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Maria Catharina Hartmans
- ☼ 23-01-1830 (Nuth (L)
- ✞ 10-04-1875 (Schinnen (L)
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Jan Hendrik Extra
- ☼ 20-03-1834 (Hoensbroek (L)
- ✞ 28-10-1890 (Schinnen (L)
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Louis Extra
- ☼ 05-11-1870 (Schinnen (L)
- ✞ 03-02-1933 (Hulsberg (L)
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Maria Catharina Pommée
- ☼ 02-03-1873 (Hulsberg (L)
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Jan Extra
- ☼ 04-03-1875 (Schinnen (L)
- ✞ 14-04-1876 (Schinnen (L)
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