Sulfur
Sulfur is the family name of the following people:
- Johann Schweffel I (1720–1792), German merchant
- Johann Schweffel III. (1796–1865), German businessman and politician
- Johann Schweffel IV. (1825–1910), German businessman
- Johann Hinrich Schweffel II. (1751–1808), German merchant
See also:
- Howaldtswerke-Deutsche Werft (formerly Maschinenbauanstalt and Eisengießerei Schweffel & Howaldt ), German shipyard
