Robert was born about 1873, the son of Christian Dumont but his mother is unknown. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their two known children were Robert (c1897-?) and Friedrich (c1899-?).
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1873 |