Antigonus I Monophthalmus (Greek: Ἀντίγονος Μονόφθαλμος Antigonos Monophthalmos, 'the One-Eyed'; 382 – 301 BC), son of Philip from Elimeia, was a Macedonian Greek nobleman, general, satrap, and king.During the first half of his life he served under Philip II; after Philip's death in 336 BC, he served Philip's son Alexander.He was a major figure in the Wars of the ...

Family background. Antigonus III Doson was a half-cousin of his predecessor, Demetrius II Aetolicus.Doson's father was Demetrius the Fair (briefly king of Cyrene), the son of Demetrius Poliorcetes and his third wife, Ptolemaïs, daughter of Ptolemy I Soter and Eurydice, daughter of Antipater. As such, Demetrius the Fair was, on his father's side, a younger half-brother of …