'House of Israel' in the Bible

For the transgression of Jacob, is all this, and for the sin of the house of Israel, - Whose is the transgression of Jacob? Is it not Samaria's? And whose is the sin of Judah? Is it not Jerusalem?

Then said I, Hear, I pray you, ye heads of Jacob, and ye judges of the house of Israel, - Is it not yours to know justice?

Hear this, I pray you, ye heads of the house of Jacob, and ye judges of the house of Israel, - who abhor justice, and, all right, do pervert: