Acts Chapter 5:    
30  The God of our fathers raised up Jesus, whom ye slew and hanged on a tree.
31  Him hath God exalted with his right hand to be a Prince and a Saviour, for to give repentance to Israel, and forgiveness of sins.

Acts Chapter 13:    
23  Of this man’s seed hath God according to his promise raised unto Israel a Saviour, Jesus:
24  When John had first preached before his coming the baptism of repentance to all the people of Israel.

Matthew 18:11
“For the Son of man is come to save that which was lost.”

Matthew 15:24
“But he answered and said, I am not sent but unto the lost sheep of the house of Israel.

Books of the New Testament

Matthew 2:6
“And thou Bethlehem, in the land of Juda, art not the least among the princes of Juda: for out of thee shall come a Governor, that shall rule my people Israel.

John 1:47
Jesus saw Nathanael coming to him, and saith of him, Behold an Israelite indeed, in whom is no guile!”

Romans Chapter 9:  
4  Who are Israelites; to whom pertaineth the adoption, and the glory, and the covenants, and the giving of the law, and the service of God, and the promises;
5  Whose are the fathers, and of whom as concerning the flesh Christ came, who is over all, God blessed for ever. Amen.

Revelation 7:4
“And I heard the number of them which were sealed: and there were sealed an hundred and forty and four thousand of all the tribes of the children of Israel.

James 1:1
“James, a servant of God and of the Lord Jesus Christ, to the twelve tribes which are scattered abroad, greeting.”

Revelation 21:12
“And had a wall great and high, and had twelve gates, and at the gates twelve angels, and names written thereon, which are the names of the twelve tribes of the children of Israel: