Now the Israel spoken of in Acts 5:31 to whom their Saviour gives them repentance, its not national physical Israel, but a Spiritual Israel Chosen in Christ, and it includes some Gentiles Acts 11:18
18 When they heard these things, they held their peace, and glorified God, saying, Then hath God also to the Gentiles granted repentance unto life.
Israel the Spiritual Seed of Abraham and of Christ has Gentiles in it!
Also the word granted in Acts 11:18 and the word give in Acts 5:31 are the same greek word didōmi. 3
18 When they heard these things, they held their peace, and glorified God, saying, Then hath God also to the Gentiles granted repentance unto life.
Israel the Spiritual Seed of Abraham and of Christ has Gentiles in it!
Also the word granted in Acts 11:18 and the word give in Acts 5:31 are the same greek word didōmi. 3