Johann was born on 14 MAY 1811 in Spiesen, Saarland, Germany, the son of Heinrich Dumont and Elisabetha Patard.
He died on 30 JUN 1845 in Spiesen, Saarland, Germany.
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 14 MAY 1811 |
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| Death | 30 JUN 1845 |
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