Answer: All nations came from the first man created by God: Adam, (verse 26).
MORE INFORMATION AND/OR OTHER SCRIPTURE REFERENCES:
Deuteronomy 26:19: "He has declared that He will set you in praise, fame and honor high above all the nations He has made and that you will be a people holy to the Lord your God, as He promised."
Deuteronomy 32:8: "When the Most High gave the nations their inheritance, when He divided all mankind, He set up boundaries for the peoples according to the number of the sons of Israel."
2 Chronicles 20:6: "O Lord, God of our fathers, are You not the God Who is in heaven? You rule over all the kingdoms of the nations. Power and might are in Your hand, and no one can withstand You."
Job 12:23: "He makes nations great, and destroys them; He enlarges nations, and disperses them."
Psalm 22:27-28: "All the ends of the earth will remember and turn to the Lord, and all the families of the nations will bow down before Him, for dominion belongs to the Lord and He rules over the nations."
Psalm 47:8-9: "God reigns over the nations; God is seated on His holy throne. The nobles of the nations assemble as the people of the God of Abraham, for the kings of the earth belong to God; He is greatly exalted."
Psalm 67:3-4: "May the peoples praise You, O God; may all the peoples praise You. May the nations be glad and sing for joy, for You rule the peoples justly and guide the nations of the earth."
Psalm 72:11 "All kings will bow down to Him and all nations will serve Him."
Psalm 82:8: "Rise up, O God, judge the earth, for all the nations are Your inheritance."
Psalm 86:9-10: "All the nations You have made will come and worship before You, O Lord; they will bring glory to Your Name. For You are great and do marvelous deeds; You alone are God."
