Acts 13:26 "Fellow children of Abraham and you God-fearing Gentiles, it is to us that this message of salvation has been sent.
We are not those Gentiles to whom Paul was first sent (Acts 26:17 KJV) who were found in the synagogue of the Jews (Acts 14:1 KJV, Acts 17:4 KJV, 1 Corinthians 1:24 KJV, , but in order to be there in the first place were fearing the God of Abraham, Isaac and Jacob and blessing Israel (in other words Gentiles in the covenants of promise as per Genesis 12:3 KJV, Galatians 3:29 KJV).
Today, God will have all men to be saved, and to come unto the knowledge of the truth including the likes of Gentiles such as we who in time past were aliens from the commonwealth of Israel and strangers from the covenants of promise, having no hope and without God in the world because of it (Ephesians 2:11-12 KJV). But PTL God had a mystery of a but now when we were included by the cross work of Christ (2 Corinthians 5:19 KJV)!
Ephesians 2:13 But now in Christ Jesus ye who sometimes were far off are made nigh by the blood of Christ.
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Ephesians 3:1 For this cause I Paul, the prisoner of Jesus Christ for you Gentiles,
Ephesians 3:2 If ye have heard of the dispensation of the grace of God which is given me to you-ward:
Ephesians 3:3 How that by revelation he made known unto me the mystery; (as I wrote afore in few words,
Ephesians 3:4 Whereby, when ye read, ye may understand my knowledge in the mystery of Christ)
Ephesians 3:5 Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;
Ephesians 3:6 That the Gentiles should be fellowheirs, and of the same body, and partakers of his promise in Christ by the gospel: