yes brittunfortunately i know quite a few in my family that either have or have had huntington's disease. my father's mother rose (sheldon) tierney had it and thats how it was passed on to her decendents. my father edward,two of his brothers, john and william, and their sister mary (tierney) clyde also had it. william's son william jr. also had it. all of them have passed away. currently my brother jerry tierney is living with it.