“After this he went down to Capernaum, he, and his mother, and his brethren, and his disciples: and they continued there not many days.”
John 2:12 — Greek Interlinear
Church Fathers on John 2:12
Our Lord being about shortly to go up to Jerusalem, proceeded to Capernaum, that He might not take His mother and brethren every where about with Him: After this he went down to Capernaum, He, and His mother, and His brethren, and His disciples, and they continued there not many days.
The Lord our God is He, high, that He might create us; low, that He might create us anew; walking among men, suffering what was human, hiding what was divine. So He has a mother, has brethren, has disciple: whence He has a mother, thence has He brethren. Scripture frequently gives the name of brethren, not to those only who are born of the same womb, or the same father, but to those of the same generation, cousins by the father’s or mother’s side. Those who are unacquainted…
Our Lord’s brethren are the relations of Mary and Joseph, not the sons of Mary and Joseph. For not only the blessed Virgin, but Joseph also, the witness of her chastity, abstained from all conjugal intercourse.