CCC 59 In order to gather together scattered humanity God calls Abram from his country, his kindred and his father’s house,1 and makes him Abraham, that is, “the father of a multitude of nations”. “In you all the nations of the earth shall be blessed.”2

1 Gen 12:1.
2 Gen 17:5; 12:3 (LXX); cf. Gal 3:8.