Eberhard I, Count of Berg-Altena

Eberhard IV of Berg, count of Altena (also called Eberhard I von Altena) (1140 – 23 January 1180, buried in Altenberg), son of Adolf IV, Count of Berg and Altena.

He married Adelheid von Arnsberg (van Cuyck) (died 1200), a daughter of Heinrich I count von Arnsberg (born 1123, died 1185) and Ermengarde (Irmgard) von Freusburg (died 1203).

He inherited the eastern territorium of County of Berg and became the 1st count of Altena from 1161, and Vogt of Werden and Cappenberg (1166–1180). His territories were later divided between his sons Arnold of Altena (the Isenberg, then Limburg line) and Friedrich I of Altena (the Altena, then Marck line).

He left issue:

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