אֵ֣לֶּה בְנֵי־חָ֔ם לְמִשְׁפְּחֹתָ֖ם לִלְשֹֽׁנֹתָ֑ם בְּאַרְצֹתָ֖ם בְּגוֹיֵהֶֽם׃ (ס)
These are the sons of Ham, after their families, after their tongues, in their lands, in their nations.
Read halakhic rulings (Jewish law) on Genesis 10:20 from the Mishneh Torah and classical halakhic sources, free online.