Antigonus III Doson

Relatives

• Father: Demetrius the Fair (son of Demetrius Poliorcetes and Ptolemais)
• Mother: Olympias of Larisa
• Wife: Phthia (widow of Demetrius II)

Main deeds

• 

  229: Unexpected death of Demetrius II; Antigonus III Doson acts as regent for Demetrius' young son Philip V; to strengthen his claim, Antigonus marries Demetrius' wife Phthia
• He inherits the Demetrian War, against a coaliton of the Achaean League and Aetolian League, which are supported by king Ptolemy III Euergetes
• Antigonus defeats the Dardani and reconquers Thessaly, but loses Boeotia and the Greek towns in the south, including Athens
• 228 (?): Because the Seleucid Empire is weakened by a civil war between king Seleucus II Callinicus and Antiochus Hierax, Antigonus is able to intervene in Caria.
• 224: Aratus of Achaea asks help against the Spartan king Cleomenes III; Antigonus demands back Corinth.
• 222: Antigonus defeats Cleomenes (near Sellasia) and occupies Sparta
• Revolt in the north; Antigonus returns and is killed in action.

Succeeded by: Philip V