Leffmann, Jacob
- Dates of Life
- 1774 – 1847
- Occupation
- Bankier ; Handelsmann in Hannover ; Händler
- Religious Denomination
- keine Angabe
- Authority Data
- GND: 136590764 | OGND | VIAF: 80909028
- Alternate Names
-
- Leffmann, Jacob
- Leffmann, Jakob