While Jack and John don’t have much in common, that doesn’t mean he isn’t the father. Their face shape is the same ... it would make sense if Arthur was one of those men.
While most Strangers can have their quests met and concluded with Arthur Morgan in Red Dead Redemption 2, a few should be left to John Marston.
Arthur contracts TB early, affecting the narrative. Avoiding contracting TB opens up other gameplay options. Mods allow players to save Arthur in the epilogue. Arthur Morgan contracts tuberculosis ...