Dad and two daughters all receive the same devastating diagnosis within months of each other Victoria Mullin's dad was stumbling over his own feet and started slurring his words Updated Victoria Mullin from Knotty Ash and her dad Bill (Image: Victoria Mullin) Doctors told two sisters they had inherited the same genetic disease as their dad just months after he was diagnosed. Victoria Mullin, 33, and her family were told the devastating news that their dad, Bill, had Huntington's disease in September last year. The 72-year-old had started stumbling over his own feet, slurring his words and having difficulty swallowing. He was also having trouble with his memory.