Maybe he has at least two sons by now?
would they look more like the mother or the father? Or would one look more like the mother and one more like the father? bottomless speculation fodder.
It's not like someone will upload a family portrait here for us to make it easy for you. Now that would be a fun soft conversation starter for friends and family to engage in if someone staged such a thing even as an elaborate hoax or took a picture that seemed like an amazing coincidence.
There is an old saying. "at least it gets people talking about art"
Just speculating in my capacity as a lurker who would rather not have to work so hard to point out one of many possible obvious scenarios.
Do good actors need understudies to keep bad actors from getting the job? Is it possible multiple actors can play one character at different times and different productions?
I agree with the comment this is not worth researching any further here as it is a "ready made" for general consumption outside of this board. "look at what these crazy conspiracy people believe!" "but admittedly it is kind of freaky" "what if" etc.