Nobody actually knows. He had that only on one side of his face, the other side looked normal.
Some of the theories is that it’s congenital (basically he was born like that) or that he had so sort of procedure that led to that (botched plastic surgery, removal of salivary gland, some sort of maxillary surgery etc).
The funniest theory I’ve heard is that he was actually Hitler and that’s the part he left in Berlin when he tried killing himself.
Nobody actually knows. He had that only on one side of his face, the other side looked normal.
Some of the theories is that it’s congenital (basically he was born like that) or that he had so sort of procedure that led to that (botched plastic surgery, removal of salivary gland, some sort of maxillary surgery etc).
The funniest theory I’ve heard is that he was actually Hitler and that’s the part he left in Berlin when he tried killing himself.
My wild supposition: inbreeding.
It’s known to cause congenital defects, particularly to the lower jaw.