1 Kings 9:20

whichwere not of the children of Israel This clause is added because the people of Canaan had become much mixed up among the Israelite population, being still allowed to live in some cities from which at first it had been found impossible to dislodge them (see above, 1 Kings 9:16). But a distinction was made between these people and the people of Israel, now that Solomon was powerful enough to enforce it, in the kind of service they must render and the tribute they must bear. It may be that the five nations here mentioned were most largely represented in the surviving population, and that the other two out of the seven nations of Canaan had by this time been more nearly exterminated.