Bazlith was the ancestor or name associated with a family of Nethinim, the temple servants. The children of Bazlith were among those who returned to Jerusalem with Zerubbabel after the exile.
The family is listed among the Nethinim who returned from exile and resumed their connection with temple service.
The return is dated in the supplied material to the period of Zerubbabel, identified as about 536 B.C.