https://en.wikipedia.org/wiki/Herodian_Tetrarchy
The Herodian Tetrarchy was formed following the death of Herod the Great in 4 BCE, when his kingdom was divided between his sons Herod Archelaus as ethnarch, Herod Antipas and Philip as tetrarchs in inheritance, while Herod's sister Salome I briefly ruled a toparchy of Jamnia.Upon the deposition of Herod Archelaus in 6 CE, his territories (Judea, Samaria and Idumea) were …