J was born about 1800 in Rohrbach, Germany, the son of Michel Blum and Catharine Krammer.
His wife was Margarethe Dumont, who he married on 6 JAN 1825 in Dudweiler, Germany. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1800 |
|