Numbers 26:19-22

19Judah had two sons, Er and Onan, who had died in the land of Canaan.

20These were the clans descended from Judah’s surviving sons: The Shelanite clan, named after their ancestor Shelah. The Perezite clan, named after their ancestor Perez. The Zerahite clan, named after their ancestor Zerah.

21These were the subclans descended from the Perezites: The Hezronites, named after their ancestor Hezron. The Hamulites, named after their ancestor Hamul.

22These were the clans of Judah. Their registered troops numbered 76,500.