Complex sentence: Some believe Quentin (like Darl from "As I Lay Dying") to have been inspired by Hamlet and Caddy by Ophelia; and Benjamin received his name after the brother of Joseph in the Book of Genesis.
Split into simpler sentences: Some believe Quentin (like Darl in "As I Lay Dying") to have been inspired by Hamlet and Caddy by Ophelia. Benjamin may derive his name from the brother of Joseph in the Book of Genesis.