'Arsinoe II' (
316-July
270 BC), queen of
Thrace and later co-ruler of
Egypt with her brother and husband
Ptolemy II of Egypt.
Arsinoe II was first married to King
Lysimachus of Thrace, to whom she bore three sons. After his death in battle in
281 BC, she fled to Cassandrea and married her half-brother
Ptolemy Keraunos. This proved to be a serious misjudgement, as Ptolemy Keraunus promptly killed two of her sons; the third was able to escape. Arsinoe fled again, this time to
Alexandria, Egypt.
In Egypt, she probably instigated the accusation and exile of her brother Ptolemy II's first wife,
Arsinoe I of Egypt. Arsinoe II then married her brother; as a result, both were given the epithet "Philadelphoi" ("Brother-Loving") by the scandalized Greeks. Arsinoe II shared all of her brother's titles and apparently was quite influential, having towns dedicated to her, her own cult (as was Egyptian custom), and appearing on coinage. Apparently, she contributed greatly to foreign policy, including Ptolemy's victory in the
First Syrian War (
274-
271 BC) between Egypt and the
Seleucid Empire in the
Middle East. After her death Ptolemy II continued to refer to her on official documents, as well as supporting her coinage and cult.
External links
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Coin with her portrait
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Encyclopædia Britannica
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Arsinoe II entry in historical sourcebook by Mahlon H. Smith