Jakob was born on 10 NOV 1887 in Tow ofUnio, Germany, the son of Adam Stephan and Margarethe Pfeiffer.
He died on 1 OCT 1965 in Saarbrucken, Saarland, Germany.
His wife was Maria Dumont, who he married on 16 FEB 1952 in Saarbrucken, Saarland, Germany. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 10 NOV 1887 |
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| Death | 1 OCT 1965 |
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