1 Jacob saw Esau coming with his four hundred men. Therefore he divided the children among Leah, Rachel, and the two concubines.
Genesis 33:1 Cross References - VIN
Genesis 27:41-42
41 So Esau bore a grudge against Jacob because of the blessing with which his father had blessed him. Esau said to himself: "The days of mourning for my father are near. Then I will kill my brother Jacob."
42 When Rebekah heard about Esau’s plans to kill Jacob, she called her younger son, Jacob. She said: »Your brother Esau is comforting himself by planning to kill you.
Genesis 32:6-7
Genesis 32:16
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.