Johann was born on 10 AUG 1787 in Wemmetsweiler, Saarland, Germany, the son of Johann Georg Dumont and Barbara Kiefer.
He died on 30 JUL 1864 in Wemmetsweiler, Saarland, Germany.
His wife was Anna Thinnes, who he married on 17 AUG 1815 in Saarbrucken, Saarland, Germany. Their three known children were Maria Elisabeth (1816-1825), Johann Georg (1821-1821) and Johann (1823-1855).
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 10 AUG 1787 |
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| Death | 30 JUL 1864 |
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