Israel   Genesis 32:28 (NKJV) And He said, "Your name shall no longer be called Jacob, but Israel; for you have struggled with God and with men, and have prevailed."

Psalm 78:5 (NASB) For He established a testimony in Jacob And appointed a law in Israel, Which He commanded our fathers That they should teach them to their children,

Romans 9:6 (NASB) But it is not as though the word of God has failed. For they are not all Israel who are descended from Israel;