Contradiction with Matthew 27:55-56
These verses state that many women, including Mary Magdalene, Mary the mother of James and Joses, and the mother of Zebedee's children, were present at the crucifixion, but it doesn't specifically mention Mary, the mother of Jesus, standing by the cross.
Matthew 27:55-56: And many women were there beholding afar off, which followed Jesus from Galilee, ministering unto him:
Contradiction with Mark 15:40-41
Similar to Matthew, Mark mentions women watching from afar, including Mary Magdalene, Mary the mother of James the less and Joses, and Salome, but omits the presence of Mary, the mother of Jesus, at the cross.
Mark 15:40-41: There were also women looking on afar off: among whom was Mary Magdalene, and Mary the mother of James the less and of Joses, and Salome;
Contradiction with Luke 23:49
States that all Jesus' acquaintances, including the women from Galilee, stood afar off watching these things, suggesting a distance rather than standing by the cross as described in John.
Luke 23:49: And all his acquaintance, and the women that followed him from Galilee, stood afar off, beholding these things.