Tags: Monarch.
Ptolemy IX Soter II or Lathyros (grass pea) (Greek: Πτολεμαῖος Σωτήρ Λάθυρος Ptolemaĩos Sōtḗr Láthuros) was king of Egypt three times from 116 BC to 110 BC 109 BC to 107 BC and 88 BC to 81 BC with intervening periods ruled by his brother Ptolemy X Alexander.At first he was chosen by his mother Cleopatra III to be her co-regent (his father Ptolemy VIII wished that she would rule with one of her sons) though she was more forced to choose him by the Alexandrians.