Amasai in Smiths Bible Dictionary

(burdensome) 1. A Kohathite, father of Mahath and ancestor of Samuel 1Ch 6:25,35 2. Chief of the captains of Judah and Benjamin, who deserted to David while an outlaw at Ziklag. 1Ch 12:18 (B.C. 1060.) 3. One of the priests who blew trumpets before the ark. 1Ch 15:24 4. Another Kohathite, in the reign of Hezekiah. 2Ch 29:12

Link: https://bible-history.com/smiths/A/Amasai+or+Amasa-i/