Ayub 32:5

Elihu : son of Tohu/Toah/Nahath; a Levite from Ephraim,a commander from Manasseh who defected to David,son of Shemaiah (Levi); a gatekeeper,brother of David and his chief officer over the tribe of Judah,son of Barachel the Buzite of the family of Ram; friend of Job