## These are the clans ##

This refers back to all the people listed in chapter 10.

## according to ##

"listed by"

## From these the nations separated and went over the earth ##

"From these clans the nations divided and spread over the earth" or "These clans divided from each other and formed the nations of the earth"

## after the flood ##

This can be made more explicit: "after the flood destroyed the earth" (See: [[rc://en/ta/man/translate/figs-explicit]]).