The New Covenant was a whole new way of receiving remission for sins. The Old Covenant required the blood of animals, while the New Covenant was through the blood of Jesus.
The New Covenant no longer requires rituals; it is obtained by faith in the blood of Jesus.
God never divorced Israel. He simply allowed her to go off on her own .. as He still does today to people who refuse to follow Him. However, God’s love for the Jewish people will never wane.
I have no idea where you’re getting the House of Judah represents the Jews, and the House of Israel represents Israel. I’ve never heard of that.
The “church” is the Ecclesia .. made up of all who receive Jesus as their Savior.
End time doctrine says there are 3 groups of people on the earth .. the Jews, the nations (non-believers), and the church.
I’m under the blood of Jesus .. and I’ve studied my history and there is no Jewish blood in my family, so I cannot be from the House of Israel or the House of Judah.
The scriptures in Jerimiah are about the coming of Jesus.