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Balthazar Jozef Mertens
- ☼ 15-02-1839 (Heerlen (L)
- ✞ 06-11-1917 (Heerlen (L)
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Anna Maria Steins
- ☼ --1839 (Heerlen (L)
- ✞ 29-06-1879 (Heerlen (L)
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Jan Hubert Mathijs Mertens
- ☼ 21-06-1870 (Heerlen (L)
- ✞ 23-01-1926 (Brunssum (L)