Cotys IV (Ancient Greek: Κότυς) was a king of the Odrysian kingdom of Thrace from in ca. 170-160 BC, succeeding his father, Seuthes IV. He married Semestra and had a son, Dyegilos, who married Apama, daughter of Prusias II of Bithynia and wife Apama III. Their son Sothimus married Athenais, daughter of Attalus III, King of Pergamon and wife Berenice, and their son was Cotys I (Sapaean).
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Cotys IV Wikipedia(Text) CC BY-SA