Cross reference
Genesis 38:5
5 Then she had another son, to whom she gave the name Shelah; she was at Chezib when the birth took place.
Numbers 26:20
20 And the sons of Judah by their families were: of Shelah, the family of the Shelahites: 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, Go back to your father's house and keep yourself as a widow till my son Shelah becomes a man: for he had in his mind the thought that death might come to him as it had come to his brothers. So Tamar went back to her father's house.
Genesis 38:26
26 Then Judah said openly that they were his, and said, She is more upright than I am, for I did not give her to Shelah my son. And he had no more connection with her.
Genesis 46:12
12 And the sons of Judah: Er and Onan and Shelah and Perez and Zerah: but Er and Onan had come to their death in the land of Canaan; and 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 those who made delicate linen, of the family of Ashbea;