Demetrius I Poliorcetes (; , , ; 337-283 BC) was a Macedonian Greek nobleman and military leader who became king of Asia between 306 and 301 BC, and king of Macedon between 294 and 288 BC. A member of the Antigonid dynasty, he was the son of its founder, Antigonus I Monophthalmus, and his wife Stratonice,