Genesis 32:5

Jacob sent messengers in front of him to Esau, his brother, to the land of Seir, the field of Edom.

He commanded them, saying, "This is what you shall tell my lord, Esau: 'This is what your servant, Jacob, says. I have lived as a foreigner with Laban, and stayed until now.

The messengers returned to Jacob, saying, "We came to your brother Esau. Not only that, but he comes to meet you, and four hundred men with him.

Then Jacob was greatly afraid and was distressed. He divided the people who were with him, and the flocks, and the herds, and the camels, into two companies;