So, we seem to know that European Christian gentiles are from Esav, and Arabs are from Ishmael, but what about all the other nations? Where do they fit in? How about the African, Asian and East Indian peoples, where do they derive from, what does the Torah say about their peoples and how are they supposed to impact with the Jewish people? This seems a fitting question now that China is poised to become the new superpower. What is their relation to Hashem?
Most of the world are descendants of Noah not through Abraham and therefore the Torah commands them to keep the seven Mitzvot of Noah and to maintain the world. Rabbi Yitzchak Grinblat