Nohah the fourth, and Rapha the fifth. Nohah is supposed by some to be the same with Becher, 1 Chronicles 7:6 and by others with Naaman, Genesis 46:21, as Rapha, the same with Rosh there.
Related Commentaries of 1 Chronicles 8:2
1 Chronicles 8:2
2 Nohah the fourth, and Rapha the fifth.