Exodus 1:1-2, 10

Now these are the names of the sons of Israel, which came into Egypt; every man and his household came with Jacob. Reuben, Simeon, Levi, and Judah

come, let us deal wisely with them; lest they multiply, and it come to pass, that, when there falleth out any war, they also join themselves unto our enemies, and fight against us, and get them up out of the land.