Arnold of Altena

Arnold of Altena, count of Altena, count of Isenberg and Hövel, Vogt of Werden (1166–1209) was son of Eberhard IV of Berg. He inherited the north-western territorium of Altena, and became 1st count of Isenberg in 1200.

He married Mechtild countess of Holland and Styrum, a daughter of Floris III, Count of Holland. They had issue:

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