King James Version (KJV) - 1 Kings 11:25 >

And he was an adversary to Israel all the days of Solomon, beside the mischief that Hadad [did:] and he abhorred Israel, and reigned over Syria.

Berean Study Bible (BSB) - 1 Kings 11:25 >

Rezon was Israel’s enemy throughout the days of Solomon, adding to the trouble caused by Hadad. So Rezon ruled over Aram with hostility toward Israel.