Prince William of Hesse-Kassel was the first son of Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen. He was titular Landgrave of Hesse-Kassel-(Rumpenheim) and for many years heir presumptive to the throne of Hesse-Kassel.
- Occupation
- military personnel
- Citizenship
- Electorate of Hesse
- Born
- December 24, 1787
- Died
- September 5, 1867