Mark 1’s earliest text is secure. Alexandrian witnesses anchor “Son of God,” “in Isaiah,” εἰς αὐτόν, and other original readings against later harmonizations.
NTTC Was “Son of God” in the Original Mark 1:1
This textual variant would be listed as a significant one. Textual scholar Daniel Wallace writes, “A textual variant is simply any difference from a standard text (e.g., a printed text, a particular manuscript, etc.) that involves spelling, word order, omission, addition, substitution, or a total rewrite of the text.”

