1 Kings 11:30-32

And rent it in twelve pieces An emblem of what he was to acquaint him with; or rather a prediction of it. For there were two ways, in those ancient times, of foretelling future events; one in express words, the other by signs and resemblances, many instances of which we have often after this of Ahijah. And will give ten tribes to thee Hence it is generally called, the kingdom of the ten tribes. But he shall have one tribe Besides his own. Or Benjamin and Judah may, be looked upon as but one tribe, both of them having a share in the city of Jerusalem, and lying near one another.