'House of Israel' in the Bible

But go rather to the lost sheep of the house of Israel.

He answered, "I was sent only to the lost sheep of the house of Israel."

Therefore let all the house of Israel know for certain that God has made him both Lord and Christ, this Jesus whom you crucified."

But God turned away and gave them over to worship the host of heaven, as it is written in the book of the prophets: 'Did you offer to me slain beasts and sacrifices, forty years in the wilderness, O house of Israel?

For he finds fault with them when he says: "The days are coming, says the Lord, when I will make a new covenant with the house of Israel and with the house of Judah;

This is the covenant that I will make with the house of Israel after those days, says the Lord: I will put my laws into their minds, and I will write them on their hearts, and I will be their God, and they shall be my people.