List of Rulers of Hesse (The Kalmar Union)

The Rulers of Hesse are usually dated from Hesse's emergence from Thuringia after the War of Thuringian Succession.

Upper Hesse (Marburg)
Reunited with Lower Hesse under Philip the Good

Hesse (Reunited)
Division into Hesse-Marburg, Hesse-Kassel and Hesse-Darmstadt

Hesse-Marburg
Hesse-Marburg is inherited by Hesse-Darmstadt after First Hessian War (1574-1580)

Hesse-Kassel
Hesse-Kassel is divided into Kassel and Rotenburg