Berenice, fl. 6 B.C., Jewish princess; daughter of Costobarus and Salome, sister of Herod the Great (see under Herod). She was married to her cousin Aristobulus and bore him a son, Herod Agrippa I. She was accused of having instigated the murder of her husband by Herod the Great in 6 B.C. Later she married Theudion, a brother-in-law of Herod the Great. After Theudion was put to death for plotting against Herod, she married Archelaus.
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