27. When she gave birth, she discovered she had twins in her womb.
28. At birth, one boy put out his hand, and the midwife took it and tied a red thread on his hand, saying, "This one came out first."
29. As soon as he pulled his hand back, his brother came out, and she said, "You’ve burst out on your own." So he was named Perez.
30. Afterward, his brother with the red thread on his hand came out, and he was named Zerah.