The Abrahamic Covenant and Baptism

In Genesis 12, in verse 1, the Lord said to Abraham, go from your country and your kindred and your father's house to the land I will show you. God promises Abraham land, God promises him offspring and so forth. But among the things that God is going to do for Abraham, he's going to make his name great,. He's also going to make him a nation. It's the last phrase I want to focus on. In you, all the families of the earth shall be blessed.