'House of Israel' in the Bible

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

But he answered and said: I am not sent but to the lost sheep of the house of Israel.

Therefore, let all the house of Israel know assuredly, that God has made this same Jesus whom you crucified, both Lord and Christ.

But God turned and delivered them up to serve the host of heaven, as it is written in the book of the prophets: Your victims and your sacrifices did you offer to me for forty years in the wilderness, house of Israel?

For, finding fault with them, he says: Behold, the days are coming, says the Lord, when I will ratify a new covenant for the house of Israel, and for the house of Judah:

For this is the covenant that I will make with the house of Israel, after those days, says the Lord; putting my laws into their understanding, I will also write them upon their hearts; and I will be to them a God, and they shall be to me a people;