Who is Ibzan from The Bible?

The correct spelling is Ibzan and he was a Judge in Israel. The bible doesn't say much of him except he had 35 sons and 30 daughters and he died in Bethlehem.

According to the tradition of our sages, this Ivtzan (Ibzan) was identical with Boaz from the book of Ruth and was an ancestor of King David. Talmud, Bava Batra 91a.