Cross reference
Genesis 38:5
5 She yet again bore a son, and named him Shelah: and he was at Chezib, when she bore him.
Numbers 26:20
20 The sons of Judah after their families were: of Shelah, the family of the Shelanites; of Perez, the family of the Perezites; of Zerah, the family of the Zerahites.
Genesis 38:11
11 Then Judah said to Tamar, his daughter-in-law, "Remain a widow in your father's house, until Shelah, my son, is grown up;" for he said, "Lest he also die, like his brothers." Tamar went and lived in her father's house.
Genesis 38:26
26 Judah acknowledged them, and said, "She is more righteous than I, because I didn't give her to Shelah, my son." He knew her again no more.
Genesis 46:12
12 The sons of Judah: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan. The sons of Perez were Hezron and Hamul.
1 Chronicles 4:21
21 The sons of Shelah the son of Judah: Er the father of Lecah, and Laadah the father of Mareshah, and the families of the house of those who worked fine linen, of the house of Ashbea;