 Alexandra's request was made, but Cleopatra urged Alexandra to leave Judea with Aristobulus III and visit Antony.Herod received word of this plot, and feared that if Antony met Aristobolus III in person he might name Aristobulus III King of Judea.This concern induced Herod, in 35 BCE, to order the assassination of Aristobulus, ending this first threat to Herod's throne.