Phthia (in Greek F??a; lived 3rd century BC) was a daughter of Alexander II (272260 BC), king of Epirus, who was married to Demetrius II (239229 BC), king of Macedonia. The match was arranged by her mother Olympias, who was desirous of thus securing the powerful assistance of the Macedonian king to support herself on the throne of Epirus after the death of Alexander.
(1) She is married to Demetrois II "Aitolikos" van Macedonië.
They got married
Child(ren):
(2) She is married to Antigonus III "Doson" van Macedonië.
They got marriedSource 2