18 These were the families of Gad, of which all the number was forty thousand and five hundred.
19 The sons of Judah were Er and Onan, which both were dead in the land of Canaan. (The sons of Judah were Er and Onan, and both of them died in the land of Canaan.)
20 And the sons of Judah were these by their kindreds; Shelah, of whom came the family of Shelanites; Pharez, of him the family of Pharzites (Perez, of him the family of Perezites); Zerah, of him the family of Zarhites.Read full chapter
New International Version
18 These were the clans of Gad;(A) those numbered were 40,500.
20 The descendants of Judah by their clans were:
through Shelah,(E) the Shelanite clan;
through Perez,(F) the Perezite clan;
through Zerah, the Zerahite clan.(G)