Albert Barnes' Notes on the Whole Bible - Matthew 12:46-50
See also Mark 3:31-35; Luke 8:19-21.His brethren - There has been some difference of opinion about the persons who are referred to here, some supposing that they were children of Mary his mother, others that they were the children of Mary, the wife of Cleophas or Alpheus, his “cousins,” and called “brethren” according to the customs of the Jews. The natural and obvious meaning is, however, that they were the children of Mary his mother. See also Mark 6:3. To this opinion, moreover, there can be... read more
The Pulpit Commentary - Matthew 12:48
But he answered and said unto him that told him, Who is my mother? and who are my brethren? Who are they who are such in the truest sense?—they for whom I must therefore primarily care? read more