Num Numbers, chapter Book of Numbers, chapter 26
Sons of Judah [are] Er and Onan; and Er dies—Onan also—in the land of Canaan. And sons of Judah by their families are: of Shelah the family of the Shelanite; of Perez the family of the Perezite; of Zerah the family of the Zerahite; and sons of Perez are: of Hezron the family of the Hezronite; of Hamul the family of the Hamulite.