Nehemiah 13:28-30

28 And one of the sons of Joyada’, the son of Elyashib the high priest, was son–in–law to Sanballat the Choronite; wherefore I chased him away from me.

29 Remember this unto them, O my God, because of the defilements of the priesthood, and of the covenant of the priesthood, and of the Levites.

30 Thus cleansed I them from all aliens, and I appointed the watches of the priests and the Levites, every one in his work;