Hezekiah Hezekiah (or Ezekias) (Hebrew:Tetragrammaton Mighty God, or The Might of God"; compare Ezekiel) was the 13th king of the Kingdom of Judah.His reign has been dated from 715 Kingdom of Israel by Sargon's Assyrians in c. 720 BC and ruled the southern Kingdom of Judah during the invasion and siege of Jerusalem by Sennacherib in 701 BC.