Concise Bible Dictionary:

1. Son of Ebiasaph, a son of Korah (No. 1) (1 Chron. 9:19; 1 Chron. 26:1).
2. “The sons of Kore,” better translated the sons of “the Korahites” (1 Chron. 26:19).
3. Son of Imnah, a Levite: set over the freewill offerings in Hezekiah’s reign (2 Chron. 31:14).

Jackson’s Dictionary of Scripture Proper Names:

calling: happening: partridge : same as Korahites