Genesis 38:2

38:2 There Judah saw the daughter of a Canaanite man named Shua. Judah acquired her as a wife and had marital relations with her.

Genesis 38:5

38:5 Then she had yet another son, whom she named Shelah. She gave birth to him in Kezib.

Genesis 38:11

38:11 Then Judah said to his daughter-in-law Tamar, “Live as a widow in your father’s house until Shelah my son grows up.” For he thought, “I don’t want him to die like his brothers.” So Tamar went and lived in her father’s house.

Genesis 38:14

38:14 So she removed her widow’s clothes and covered herself with a veil. She wrapped herself and sat at the entrance to Enaim which is on the way to Timnah. (She did this because she saw that she had not been given to Shelah as a wife, even though he had now grown up.)