CCC 60 The people descended from Abraham would be the trustee of the promise made to the patriarchs, the chosen people, called to prepare for that day when God would gather all his children into the unity of the Church.1 They would be the root on to which the Gentiles would be grafted, once they came to believe.2

1 Cf. Rom 11:28; Jn 11:52; 10:16.
2 Cf. Rom 11:17-18,24.