Numbers 26:19–20
19 oThe sons of Judah were Er and Onan; and pEr and Onan died in the land of Canaan. 20 And the sons of Judah according to their clans were: of Shelah, the clan of the Shelanites; of Perez, the clan of the Perezites; of Zerah, the clan of the Zerahites.
1 Chronicles 2:3–4
3 xThe sons of Judah: yEr, zOnan and aShelah; these three Bath-shua the Canaanite bore to him. bNow Er, Judah’s firstborn, was evil in the sight of the Lord, and he put him to death. 4 His daughter-in-law cTamar also bore him dPerez and eZerah. Judah had five sons in all.
1 Chronicles 4:1
Descendants of Judah
1 bThe sons of Judah: cPerez, Hezron, Carmi, dHur, and Shobal.