Beginning in verse 6, we have the genealogy of Ham, and specifically he had four sons. Although Ham's name means "dark" and many scholars have Ham's physical descendants based in Africa (although some definitely were), in reality Ham's descendants were much more diverse. In my research, the main attribute of Ham's descendants is their association with many of the first and oldest civilizations - Sumer, Egypt, the Minoans, and Mohenjo-Daro. In other words, his family was quite scattered, and would be more so later. Some writers I have come across have even proposed that Ham's descendants were the progenitors of the ancient American civilizations such as the Olmecs, and although possible, for the sake of both time and lack of source material we'll leave that one to personal opinion. The chart of Ham's descendants is included below:
So they followed Nimrod, the grandson of Ham, who set up a tyranny and began building a tower higher than any water could reach in case God ever wanted to flood the earth again. (Paul A. Meier, trans. and ed. Josephus: The Essential Writings. Grand Rapids: Kregel, 1988. p. 22).