en_tn/gen/47/27.md

They were fruitful and multiplied greatly

The word "multiplied" explains how they were "fruitful." Alternate translation: "They had very many children" (See: rc://en/ta/man/translate/figs-doublet)

were fruitful

Here "fruitful" means to prosper or to have children. (See: rc://en/ta/man/translate/figs-idiom)