1 Samuel 8:9 WEB

⁷  Yahweh said to Samuel, Listen to the voice of the people in all that they tell you; for they have not rejected you, but they have rejected me, that I should not be king over them.

⁸  According to all the works which they have done since the day that I brought them up out of Egypt even to this day, in that they have forsaken me, and served other gods, so do they also to you.

⁹  Now therefore listen to their voice: however you shall protest solemnly to them, and shall show them the manner of the king who shall reign over them.

¹⁰  Samuel told all the words of Yahweh to the people who asked of him a king.

¹¹  He said, This will be the manner of the king who shall reign over you: he will take your sons, and appoint them to him, for his chariots, and to be his horsemen; and they shall run before his chariots;