But the people that were with Amri, prevailed over the people that followed Thebni the son of Gineth: and Thebni died, and Amri reigned.

But the people that followed Omri overcame the people that followed Tibni the son of Ginath; and Tibni died, and Omri reigned.

and stronger are the people that are after Omri than the people that are after Tibni son of Ginath, and Tibni dieth, and Omri reigneth.

But the supporters of Omri overcame those who were on the side of Tibni, the son of Ginath; and death came to Tibni and to his brother Joram at that time: and Omri became king in the place of Tibni.

But the people who followed Omri prevailed against the people who followed Tibni the son of Ginath. So Tibni died and Joram his brother at that time, and Omri became king in the place of Tibni.

But the people who were with Omri prevailed over the people who were following Tibni, the son of Ginath. And Tibni died, and Omri reigned.

From a comparison of the dates given in 1-Kings 16:15, 1-Kings 16:23, 1-Kings 16:29 it follows that the contest between the two pretenders lasted four years.
Tibni's death can scarcely be supposed to have been natural. Either he must have been slain in battle against Omri, or have fallen into his hands and been put to death.
There has probably been some derangement of the text here. The passage may have run thus: "So Tibni died, and Omri reigned in the thirty-first year of Asa, king of Judah. Omri reigned over Israel twelve years: six years reigned he in Tirzah." Omri's reign of 12 years began in Asa's 27th 1-Kings 16:15-16, and terminated in his 38th 1-Kings 16:29. The event belonging to Asa's 31st year was the death of Tibni, and the consequent extension of Omri's kingdom.
The six years in Tirzah are probably made up of the four years of contention with Tibni, and two years afterward, during which enough of Samaria was built for the king to transfer his residence there.

But the people that followed Omri prevailed against the people that followed Tibni the son of Ginath,.... Very probably they had a battle, in which the latter were worsted:
so Tibni died; in the battle:
and Omri reigned; took possession of the throne, his rival being slain.

Tibni died--The Hebrew does not enable us to determine whether his death was violent or natural.

Prevailed - Partly, because they had the army on their side; and principally, by the appointment of God, giving up the Israelites to him who was much the worst, 1-Kings 16:25-26. Died - A violent death, in the battle: but not till after a struggle of some years. But why in all these confusions of the kingdom of Israel, did they never think of returning to the house of David? Probably because the kings of Judah assumed a more absolute power than the kings of Israel. It was the heaviness of the yoke that they complained of, when they first revolted from the house of David. And it is not unlikely, the dread of that made them averse to it ever after.