Genesis 38:14-30
So she removed her widow’s garments and covered herself with a veil, and wrapped herself, and sat in the gateway of Enaim, which is on the road to Timnah; for she saw that Shelah had grown up, and she had not been given to him as a wife.When Judah saw her, he assumed she was a prostitute, for she had covered her face.So he turned aside to her by the road, and said,“ Here now, let me have relations with you”; for he did not know that she was his daughter in law. And she said,“ What will you give me, that you may have relations with me?”He said, therefore,“ I will send you a young goat from the flock.” She then said,“ Will you give a pledge until you send it?”He said,“ What pledge shall I give you?” And she said,“ Your seal and your cord, and your staff that is in your hand.” So he gave them to her and had relations with her, and she conceived by him.Then she got up and departed, and removed her veil and put on her widow’s garments.When Judah sent the young goat by his friend the Adullamite, to receive the pledge from the woman’s hand, he did not find her.He asked the people of her place, saying,“ Where is the temple prostitute who was by the road at Enaim?” But they said,“ There has been no temple prostitute here.”So he returned to Judah, and said,“ I did not find her; and furthermore, the people of the place said,‘ There has been no temple prostitute here.’ ”Then Judah said,“ Let her keep them, otherwise we will become a laughingstock. After all, I sent this young goat, but you did not find her.”Now it was about three months later that Judah was informed,“ Your daughter in law Tamar has prostituted herself, and behold, she is also pregnant by prostitution.” Then Judah said,“ Bring her out and have her burned!”It was while she was being brought out that she sent word to her father in law, saying,“ I am pregnant by the man to whom these things belong.” She also said,“ Please examine and see, whose signet ring and cords and staff are these?”And Judah recognized them, and said,“ She is more righteous than I, since I did not give her to my son Shelah.” And he did not have relations with her again.It came about at the time she was giving birth, that behold, there were twins in her womb.Moreover, it took place while she was giving birth, that one baby put out a hand, and the midwife took and tied a scarlet thread on his hand, saying,“ This one came out first.”But it came about as he drew back his hand that behold, his brother came out. Then she said,“ What a breach you have made for yourself!” So he was named Perez.Afterward his brother came out who had the scarlet thread on his hand; and he was named Zerah.