Nehemiah 13:28-30

28 And one of the sons of Joiada, the son of Eliashib the high priest, was son in law to Sanballat the Horonite: therefore I chased him from me.

29 Remember them, O my God, because they have defiled the priesthood, and the covenant of the priesthood, and of the Levites.

30 Thus cleansed I them from all strangers, and appointed wards for the priests and for the Levites, every one in his work;