Numbers 26:18-20 New Revised Standard Version, Anglicised Catholic Edition (NRSVACE)
18 These are the clans of the Gadites: the number of those enrolled was forty thousand five hundred.
19 The sons of Judah: Er and Onan; Er and Onan died in the land of Canaan. 20 The descendants of Judah by their clans were: of Shelah, the clan of the Shelanites; of Perez, the clan of the Perezites; of Zerah, the clan of the Zerahites.
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.