Overview
Berenice (275 BC–246 BC), also called Berenice Phernophorus ("Dowry Bearer") or Berenice Syra, was an Egyptian princess, and a Seleucid queen regent. She was a Seleucid queen by marriage to Antiochus II Theos, and regent during the minority of her son Antiochus in 246.
Life
She was the daughter of Ptolemy II Philadelphus and Arsinoe I of Egypt. She was named after her paternal grandmother, Berenice I of Egypt. The date of her birth is unknown, but must have been before 280, as her mother was exiled the next year.
Berenice Syra's relationship with her father remained positive. When she moved upon her marriage, he provided her with bottled water from the Nile, so she would never have to drink from any other source, in a particular display of personal concern.
Queen
Around 252 BC, following the peace agreement of 253 BC between Antiochus and Ptolemy to end the Second Syrian War, she married the Seleucid monarch Antiochus II Theos, who divorced his wife Laodice I and transferred the succession to Berenice's children. Upon their marriage, she took the name "Syra," referencing Syria. At the time of her marriage, Berenice was fairly old for a Ptolemaic princess, and her dowery was so large, she was known as Phernephorus, or the Dowerbringer.
From Wikipedia (CC BY-SA 4.0).