Louis IV, a member of the Ludovingian dynasty, was Landgrave of Thuringia and Saxon Count palatine from 1217 until his death. He was the husband of Elizabeth of Hungary.

From Wikipedia (CC BY-SA 4.0).

Also known as Ludwig IV, Louis IV the Saint

Key facts

Occupation: landgrave
Citizenship: Germany
Born: October 28, 1200
Died: September 11, 1227

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Overview

Louis IV, a member of the Ludovingian dynasty, was Landgrave of Thuringia and Saxon Count palatine from 1217 until his death. He was the husband of Elizabeth of Hungary.

From Wikipedia (CC BY-SA 4.0).