Genesis 33:1
Jacob looked up and saw that Esau was coming along with four hundred men. So he divided the children among Leah, Rachel, and the two female servants.
Genesis 27:41-42
So Esau hated Jacob because of the blessing his father had given to his brother. Esau said privately, "The time of mourning for my father is near; then I will kill my brother Jacob!"
Genesis 32:6-7
The messengers returned to Jacob and said, "We went to your brother Esau. He is coming to meet you and has four hundred men with him."
Genesis 32:16
He entrusted them to his servants, who divided them into herds. He told his servants, "Pass over before me, and keep some distance between one herd and the next."