The Abrahamic Promise in Genesis 12-3

Gospel is now clearly not just a matter of God's promises to Jews, but in Christ it's promises to the Gentiles as well. One way of thinking about Acts is like with each new Gentile town, these are new Abrahams. There'll be adults just like Abraham. It's just that we're now seeing the gospel move into a Gentile territory and we should expect adult converts. And this is where household baptisms are not strong evidence for against the baptism we sometimes use in that way.