Landgrave Hermann IV of Hesse-Rotenburg, was the first Landgrave of the semi-independent Landgraviate of Hesse-Rotenburg. He was the fourth son of the Landgrave Maurice of Hesse-Kassel and his second wife Juliane of Nassau-Siegen.
- Occupation
- naturalist, politician, writer
- Born
- August 1, 1607
- Died
- March 25, 1658
