Definitely! It runs in my father’s side of the family. All four of his siblings displayed some signs of the the disease. Of my cousins and myself...three of us show more severe symptoms while others either are mild or none. I know my grandfather had severe symptoms and two of his siblings did too. We are aware that my great grandfather also had severe symptoms. I don’t know about my great great grandfather....but I would not be surprised, as he was the one who came over from Scotland and that is where we have traced this particular hereditary form of OPMD .