'House of Israel' in the Bible

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

But He answered and said, I am not sent except to the lost sheep of the house of Israel.

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

Then God turned and gave them over to serve the host of the heavens, as it is written in the book of the Prophets: "O house of Israel, have you offered to Me slain beasts and sacrifices forty years in the wilderness?

For finding fault with them, He said to them, "Behold, days are coming, says the Lord, and I will make an end on the house of Israel and on the house of Judah; a new covenant shall be,

"For 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 mind and write them in their hearts, and I will be their God, and they shall be My people.