Numbers 26:18-20 New International Version - UK (NIVUK)
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.