"... you are to become the father of a host of nations."

“On your part, you and your descendants after you
must keep my covenant throughout the ages."

-- Gn 17:3-9

"Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you" (Mt 28:19-20).

-- CCC 1276