Friend of king Herod I, entrusted with political and diplomatic commisions
Friend of King Herod I. Entrusted with political and diplomatic commissions and with the education of Alexander, the eldest son of the king of Mariamme, he accompanied him in 23 BC to Rome for five years. When in 14 BC Herod began to distrust his son, G. fell from grace (Jos. Ant. Iud. 16,241-243).