4 occurrences in 4 dictionaries
Reference: Jozachar
Easton
Jehovah-remembered, one of the two servants who assassinated Jehoash, the king of Judah, in Millo (2Ki 12:21). He is called also Zabad (2Ch 24:26).
Fausets
Son of Shimeath the Ammonitess; one of Joash's murderers (2Ki 12:21). Zabad in 2Ch 24:26 is a transcriber's error for Zachar contracted for Jozachar. As Joash had forsaken Jehovah for foreigners' idols, so his doom was inflicted by two sons of foreign women.