“ The order founded by Jehonadab must from its constitution have soon become a sort of hereditary clan, and as such the “ house of Rechab ” appears in Judah after the fall of the northern kingdom and continued to observe the ordinance of Jehonadab till the approach of Nebuchadrezzar drove them for protection into Jerusalem (Jer. xxxv.) . Jeremiah promised them as a reward of their obedience that they should never lack a man to represent them (as a priest) before Yahweh, whence perhaps the later Jewish tradition that the Rechabites intermarried with the Levites and so entered the temple service. ”