Waldemar IV, Prince of Anhalt-Dessau
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Waldemar IV, Prince of Anhalt-Dessau (died aft. 22 July 1417) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Dessau.
He was the eldest son of Sigismund I, Prince of Anhalt-Dessau, by his wife Judith, daughter of Gebhard XI, Count of Querfurt.