Brown Driver Briggs

 Bani = "built"
1. a Gadite, one of David's mighty warriors
2. a Levite of the line of Merari, and forefather to Ethan
3. a man of Judah of the line of Pharez
4. "children of Bani" returned from captivity with Zerubbabel
5. one or up to three Levites in Nehemiah's time