Ptolemy II, Arsino ii
Arsino ii, daughter of Ptolemy Ptolemy I.
First, the Thracian queen (300 BC to 281 BC) and the Egyptian queen (277 BC to 270 BC) Attempted to replace his son Agathocles, the prince born to the former empress, to succeed to the throne The crown prince sought assistance from Seleucus I, and war broke out, resulting in the death of her husband Her half-brother held control of Thrace and Macedonia, and after luring her into marriage, executed her two young sons She fled to alexandria, where she expelled and married the wife of her brother Ptolemy II (277 BC) This was commonplace in Egypt, so both Ptolemy and Arsinois's daimyes were given the nickname "Philadelphoi"
Arsinoi shared all of Ptolemy's titles, including the fact that she may have been worshipped as a god during her lifetime.
Ptolemy II
Biography
Daughter of Ptolemy I Soter and queen of Thrace (300-281) and of Egypt (277-270). She married the king of Thrace (300) and tried to have her son made heir instead of Agathocles, the king's son by an earlier marriage. Agathocles sought help from Seleucids, causing a war in which Arsinoe's husband was killed in battle. Her half brother, who took power in Thrace and Macedonia, cajoled her into marrying him and then promptly killed her two younger sons. She fled to Alexandria, ousted the wife of her brother Ptolemy II, and married him (c. 277); like the pharaohs, the two were called “Philadelphoi” (“Sibling-loving”). She wielded great power and shared many honors with Ptolemy, including deification while alive.