1 Kings 18:31 in the King James Version
And Elijah took twelve stones, according to the number of the tribes of the sons of Jacob, unto whom the word of the LORD came, saying, Israel shall be thy name:
Context
30 Elijah said to all the people, “Come near to me!”; and all the people came near to him. He repaired the LORD’s altar that had been thrown down.
31 Elijah took twelve stones, according to the number of the tribes of the sons of Jacob, to whom the LORD’s word came, saying, “Israel shall be your name.”
32 With the stones he built an altar in the LORD’s name. He made a trench around the altar large enough to contain two seahs of seed.