Bilshan was an Israelite of some note who returned from Babylon to Jerusalem with Zerubbabel. His name is explained as “eloquent,” and the supplied material also connects it with meanings such as “inquirer” or “father of the tongue.”
Bilshan appears in the postexilic lists of those who returned with Zerubbabel. No further biblical role is described in the supplied material.
The name has several proposed explanations in the supplied material. In 1 Esdras, Bilshan is called Beelsarus; rabbinic tradition takes Bilshan as a surname of the preceding Mordecai.