When Ahab died, he was buried among his ancestors. Then his son Ahaziah became the next king.
Jehoshaphat son of Asa began to rule over Judah in the fourth year of King Ahab's reign in Israel.
He was thirty-five years old when he became king, and he reigned in Jerusalem twenty-five years. His mother was Azubah, the daughter of Shilhi.
Jehoshaphat was a good king, following the example of his father, Asa. He did what was pleasing in the LORD's sight. During his reign, however, he failed to remove all the pagan shrines, and the people still offered sacrifices and burned incense there.
Jehoshaphat also made peace with the king of Israel.
The rest of the events in Jehoshaphat's reign, the extent of his power, and the wars he waged are recorded in The Book of the History of the Kings of Judah.
He banished from the land the rest of the shrine prostitutes, who still continued their practices from the days of his father, Asa.
There was no king in Edom at that time, only a deputy.
Jehoshaphat also built a fleet of trading ships to sail to Ophir for gold. But the ships never set sail, for they were wrecked at Ezion-geber.
References for 1 Kings 22:48
At that time Ahaziah son of Ahab proposed to Jehoshaphat, "Let my men sail an expedition with your men." But Jehoshaphat refused the offer.
When Jehoshaphat died, he was buried with his ancestors in the City of David. Then his son Jehoram became the next king.