“Now the LORD had said unto Abram, Get thee out of thy country, and from thy kindred, and from thy father's house, unto a land that I will shew thee: and I will make of thee a great nation, and I will bless thee, and make thy name great; and thou shalt be a blessing: and I will bless them that bless thee, and curse him that curseth thee: and in thee shall all families of the earth be blessed.”
Genesis 12:1-3 KJV
“Neither shall thy name any more be called Abram,
but thy name shall be Abraham; for a father of many nations have I made thee.”
Genesis 17:5
“Know ye therefore that they which are of faith, the same are the children of Abraham. And the scripture, foreseeing that God would justify the heathen through faith, preached before the gospel unto Abraham, saying, In thee shall all nations be blessed.
So then they which be of faith are blessed with faithful Abraham. that the blessing of Abraham might come on the Gentiles through Jesus Christ; that we might receive the promise of the Spirit through faith.
….For ye are all the children of God by faith in Christ Jesus. For as many of you as have been baptized into Christ have put on Christ. There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus. And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.”
Galatians 3:7-9, 14, 26-29 KJV
israel
“And he said, Thy name shall be called no more Jacob, but Israel: for as a prince hast thou power with God and with men, and hast prevailed.”
Genesis 32:28 KJV
“Now these are the names of the children of Israel, which came into Egypt; every man and his household came with Jacob. Reuben, Simeon, Levi, and Judah, Issachar, Zebulun, and Benjamin, Dan, and Naphtali, Gad, and Asher. And all the souls that came out of the loins of Jacob were seventy souls: for Joseph was in Egypt already.”
Exodus 1:1-5
“And the LORD said unto Moses, Write thou these words: for after the tenor of these words I have made a covenant with thee and with Israel.”
Exodus 34:27 KJV
“These are the words of the covenant, which the LORD commanded Moses to make with the children of Israel in the land of Moab, beside the covenant which he made with them in Horeb.”
Deuteronomy 29:1 KJV
Abraham’s seed
“And the angel of the LORD called unto Abraham out of heaven the second time, and said, By myself have I sworn, saith the LORD, for because thou hast done this thing, and hast not withheld thy son, thine only son: that in blessing I will bless thee, and in multiplying I will multiply thy seed as the stars of the heaven, and as the sand which is upon the sea shore; and thy seed shall possess the gate of his enemies; and in thy seed shall all the nations of the earth be blessed; because thou hast obeyed my voice.”
Genesis 22:15-18
“Now to Abraham and his seed were the promises made. He saith not, And to seeds, as of many; but as of one, And to thy seed, which is Christ…… And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.”
Galatians 3:16, 29 KJV
Jacob is israel and the children of Israel are his children . Abraham’s children and hiers come from all Nations israel
Included who believe the gospel