Brown Driver Briggs

 Jahath = "He will snatch up"
1. son of Reaiah and grandson of Shobal of the tribe of Judah
2. a son of Libni and grandson of Gershom and great grandson of Levi
3. a Gershonite Levite; the eldest son of Shimei and the grandson of
Laadan; founder of the house of Jahath
4. a Levite and son of Shelomoth
5. a Merarite Levite in the reign of Josiah