Numbers 26:18-20 King James Version (KJV)
18 These are the families of the children of Gad according to those that were numbered of them, forty thousand and five hundred.
19 The sons of Judah were Er and Onan: and Er and Onan died in the land of Canaan.
20 And the sons of Judah after their families were; of Shelah, the family of the Shelanites: of Pharez, the family of the Pharzites: of Zerah, the family of the Zarhites.
Numbers 26:18-20 New International Version (NIV)
18 These were the clans of Gad; those numbered were 40,500.
19 Er and Onan were sons of Judah, but they died in Canaan.
20 The descendants of Judah by their clans were:
through Shelah, the Shelanite clan;
through Perez, the Perezite clan;
through Zerah, the Zerahite clan.