'House of Israel' in the Bible

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

But he answered and said, I was not sent but unto the lost sheep of the house of Israel.

Let all the house of Israel therefore know assuredly, that God hath made him both Lord and Christ, this Jesus whom ye crucified.

But God turned, and gave them up to serve the host of heaven; as it is written in the book of the prophets, Did ye offer unto me slain beasts and sacrifices Forty years in the wilderness, O house of Israel?

For finding fault with them, he saith, Behold, the days come, saith the Lord, That I will make a new covenant with the house of Israel and with the house of Judah;

For this is the covenant that I will make with the house of Israel After those days, saith the Lord; I will put my laws into their mind, And on their heart also will I write them: And I will be to them a God, And they shall be to me a people: