Genesis 33:1
And Jacob lifted up his eyes and looked. And behold, Esau [was] coming and four hundred men [were] with him. And he divided the children among Leah and among Rachel, and among the two of his female servants.
Genesis 27:41-42
Then Esau held a grudge against Jacob on account of the blessing with which his father had blessed him. And Esau said in his heart, "The days of mourning for my father are coming, then I will kill Jacob my brother."
Genesis 32:6-7
And the messengers returned to Jacob [and] said, "We came to your brother, to Esau, and he is coming to meet you, and four hundred men [are] with him."
Genesis 32:16
And he put [them] under the hand of his servants, {herd by herd}, and said to his servants, "Cross on ahead before me, and put some distance {between herds}.