Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
KJV

2 Esdras 2:47

So he answered and said unto me, It is the Son of God, whom they have confessed in the world. Then began I greatly to commend them that stood so stiffly for the name of the Lord.

Parallel Translations

WEBView canonical →
So he answered and said to me, “He is the Son of God, whom they have confessed in the world.” Then I began to praise those who stood so valiantly for the name of the Lord.
World English Bible
GNV1560View canonical →
And he answered , & said vnto me, It is the sonne of God,whome they haue confessed in the worlde. Then began I greatly to commende them, that had stand so strongly for the Name of the Lord.
Geneva Bible (1560) Apocrypha