Read 1 Kings 11:24 Using Other Translations
And he gathered men unto him, and became captain over a band, when David slew them of Zobah: and they went to Damascus, and dwelt therein, and reigned in Damascus.
And he gathered men about him and became leader of a marauding band, after the killing by David. And they went to Damascus and lived there and made him king in Damascus.
and had become the leader of a gang of rebels. After David conquered Hadadezer, Rezon and his men fled to Damascus, where he became king.