 The pro-Parthian Hasmonean rival brother however soon brought Parthian support and the throne changed until Herod the Great established himself as a new pro-Roman king of Judea.Herod the Great was a Roman client king of Judea, referred to as the Herodian kingdom.As a close and loyal ally to the Romans, Herod extended his rule as far as Arabia, created ambitious projects of construction across Judea, including the expansion of the Second Temple in Jerusalem.