It is John (an eye witness) who recalls his personal experience
at the foot of the cross on Calvary.
John 19:25-27
Standing by the cross of Jesus were his mother and
his mother's sister, Mary the wife of Clopas, and Mary
of Magdala. When Jesus saw his mother and the disciple
there whom he loved, he said
to his mother, "Woman, behold,
your son." Then he said to the
disciple, "Behold, your mother."
And from that hour the disciple
took her into his home