Augustine of Hippo
Catena Aurea · Lukasevangelium 2
And Joseph and his mother marvelled at those things which were spoken of him. And Simeon blessed them, and said unto Mary his mother, Behold, this child is set for the fall and rising again of many in Israel; and for a sign which shall be spoken against; (Yea, a sword shall pierce through thy own soul also,) that the thoughts of many hearts may be revealed.
(de Con. in Evan. ii. 1.) He however might be called His father in that light in which he is rightly regarded as the husband of Mary, that is, not from any carnal connection, but by reason of the very bond of wedlock, a far closer relationship than that of adoption. For that Joseph was not to be called Christ’s father was not, because he had not begotten Him by cohabitation, since in truth he might be a father to one whom he had not begotten from his wife, but had adopted from another.