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Berenice IV, daughter of Ptolemy XII of Egypt and probably Cleopatra V of Egypt Tryphaena, sister of Cleopatra VI of Egypt Tryphaena, the famous Cleopatra VII (loved by Julius Caesar and Mark Antony). Berenice dethroned her father in 58 BC and became co-regent with her mother. They ruled Egypt for a year, until her mother died and she ruled alone.
As a lone woman ruling Egypt, she was expected to marry and have a man as a co-regent. When she did not, her consuls forced her to marry Seleucus Kybiosaktes, but she had him strangled and remained as sole ruler. She later married Archelaus, but he was not co-regent. However, her reign ended in 55 BC when her father took the throne and had her executed.
