Augustine of Hippo
Catena Aurea · Matthäusevangelium 1
And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ.
(De Cons. Evang. ii. 4.) And suitably does Luke, who relates Christ’s ancestry not in the opening of his Gospel, but at his baptism, follow the line of adoption, as thus more clearly pointing Him out as the Priest that should make atonement for sin. For by adoption we are made the sons of God, by believing in the Son of God. But by the descent according to the flesh which Matthew follows, we rather see that the Son of God was for us made man. Luke sufficiently shews that he called Joseph the son of Heli, because he was adopted by Heli, by his calling Adam the son of God, which he was by grace, as he was set in Paradise, though he lost it afterwards by sinning.