4 occurrences in 4 dictionaries
Reference: Nepheg
Fausets
1. Ex 6:21.
2. David's son, born in Jerusalem (2Sa 5:14-15).
Hastings
1. Son of Izhar and brother of Korah (Ex 6:21). 2. One of David's sons (2Sa 5:16 = 1Ch 3:7; 14:6).