'King Over Judah' in the Bible

Jehoshaphat the son of Asa became king over Judah in the fourth year of Ahab king of Israel.

In the eleventh year of Joram the son of Ahab, Ahaziah had become king over Judah.

And the king of Egypt made Eliakim his brother king over Judah and Jerusalem, and he changed his name to Jehoiakim. But Neco took Jehoahaz his brother and brought him to Egypt.