Does it name the head of Bnei Shelomis?
Ibn Ezra: No 1 .
Metzudas David: Yes - Ben Yosifyah.
Ibn Ezra holds that Shelomis was a man, Ben Yosifyah. Metzudas David holds that Ben Yosifyah was the head of Bnei Shelomis (perhaps Shelomis was a woman; the family was called on her name). (PF)