Adolf IV of Berg count of Berg from 1132 until 1160 and of Altena, son of Adolf III of Berg count of Berg and Hövel. He married (1st) Adelheid von Arnsberg, a daughter of Heinrich count von Rietberg; then (2nd) Irmgard (?) von Schwarzenberg, a daughter of Engelbert von Schwarzenberg.

From Wikipedia (CC BY-SA 4.0).

Also known as Adolf IV, Count of Berg

Key facts

Occupation: feudatory, politician
Born: 1090
Died: October 12, 1170

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Overview

From Wikipedia (CC BY-SA 4.0).