Cross reference
Genesis 25:26
26 And after that came forth his brother, and his hand had hold on Esau's heel. And his name was called Jacob. And Isaac was threescore years old when she bare them.
Genesis 27:36
36 And he said, Is not he rightly name Jacob? for he hath supplanted me these two time. He took away my birthright. And, behold, now he hath taken away my blessing. And he said, Hast thou not reserved a blessing for me?
Hosea 12:3
3 In the womb he took his brother by the heel; and in his manhood he had power with God:
Genesis 38:28-30
28 And it came to pass, when she travailed, that one put out a hand: and the midwife took and bound upon his hand a scarlet thread, saying, This came out first.
29 And it came to pass, as he drew back his hand, that, behold, his brother came out: and she said, Wherefore hast thou made a breach for thyself? Therefore his name was called Perez.
30 And afterward came out his brother, that had the scarlet thread upon his hand: and his name was called Zerah.