en_tn/heb/11/18.md

to whom it had been said

This can be stated in active form. Alternate translation: "to whom God said" (See: rc://en/ta/man/translate/figs-activepassive)

that your descendants will be named

Here "named" means assigned or designated. This sentence can be stated in active form. Alternate translation: "that I will designate your descendants" (See: rc://en/ta/man/translate/figs-activepassive) (See: rc://en/ta/man/translate/figs-metonymy)