The eldest son of Joseph. (Genesis 41:51) His name was given him by his father, because, he said, God had made him forget all his toil, and all his father's house. The word in the margin of the Bible is forgetting, from Nahash, to forget. There was another Manasseh, son of Hezekiah, whose history we have, 2 Kings 20:1-21; 2 Kings 21:1-26