"Arsinoë II (Koinē Greek: Ἀρσινόη, 316 BC – unknown date between July 270 and 260 BC) was a Ptolemaic queen and co-regent of the Ptolemaic Kingdom ...
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of ancient Egypt.
Arsinoe was queen of Thrace, Anatolia and Macedonia by marriage to King Lysimachus and co-ruler of the Ptolemaic Kingdom with her brother-husband, Pharaoh Ptolemy II Philadelphus. Arsinoe was given the unprecedented Egyptian title "King of Upper and Lower Egypt", marking her as a full pharaoh." - (en.wikipedia.org 25.12.2019)
