Contradiction with Matthew 12:50
Whereas Luke 8:20 emphasizes Jesus' biological family waiting to see him, Matthew 12:50 broadens the concept of family beyond biological ties, emphasizing obedience to God's will as the defining characteristic of Jesus' true family.
Matthew 12:50: For whosoever shall do the will of my Father which is in heaven, the same is my brother, and sister, and mother.
Contradiction with Luke 14:26
Luke 8:20 highlights the presence of Jesus' mother and brethren, suggesting a close familial relationship, while Luke 14:26 implies a need to prioritize allegiance to Christ over even the closest family bonds.
Luke 14:26: If any [man] come to me, and hate not his father, and mother, and wife, and children, and brethren, and sisters, yea, and his own life also, he cannot be my disciple.
Contradiction with John 19:26-27
Luke 8:20 shows Jesus' biological family attempting to reach him, whereas John 19:26-27 portrays Jesus entrusting his mother to a disciple, indicating a shift in relational priority from biological family to spiritual kinship.
John 19:26-27: When Jesus therefore saw his mother, and the disciple standing by, whom he loved, he saith unto his mother, Woman, behold thy son!