He reigned 12 years. (2Ki 1:17, 18; 3:1; 9:22)

It appears that for a number of years Jehoram was in some way associated with his father in the kingship. (2Ki 1:17; 8:16)

Elijah predicts Ahaziah’s death; he also calls down fire upon two disrespectful military chiefs and their companies of 50 sent to get the prophet (1:2-17)

Jehoram of Judah marries Athaliah, daughter of Ahab and Jezebel; Jehoram apostatizes, as does his son Ahaziah after him (8:16-27)

Yet, in chapter 8, he is speaking in a friendly way to Jehoram of Israel.

Elisha’s activity as successor to Elijah commences about 917 B.C.E. or shortly thereafter, at the time of Elijah’s ascension in a windstorm to the heavens. (2Ki 1:17; 2:1, 11, 12)

In the course of time Ahab died and was succeeded first by Jezebel’s son Ahaziah, who ruled for two years, and then by another of her sons, Jehoram, who ruled for the next 12 years before Ahab’s dynasty finally ended. (1Ki 22:40, 51-53; 2Ki 1:17; 3:1)

Her influence was even felt in Judah to the S, where her wicked daughter Athaliah, who had married Judah’s king, perpetuated the Jezebel spirit in that southern kingdom for another six years after her mother’s death.​—2Ki 8:16-18, 25-27; 2Ch 22:2, 3; 24:7.