He is the son of Heman (worship leader).
1 Chr 25:4As for Heman, his sons were Bukkiah, Mattaniah, Uzziel, Shebuel, Jerimoth, Hananiah, Hanani, Eliathah, Giddalti, Romamti-ezer, Josbekashah, Mallothi, Hothir, and Mahazioth.
1 Chr 25:30The twenty-third was for Mahazioth, his sons and his brothers, twelve in all.