As a starting point, one of Joseph's two fathers could be by simple adoption, as Augustine suggests, or more likely the special adoption by a father-in-law with no sons, or could be a maternal grandfather.
Ca punct de plecare, unul din cei doi tați ai lui Iosif ar putea fi prin simplă adopțiune, cum sugerează Augustin, sau, mai probabil, prin adopțiune specială de un cuscru lipsit de fii, sau poate fi un bunic matern.