article_snippet: Sharron O'Neill always knew Sharron O'Neill had something.
article_snippet: her family always knew there was something; Our just didn't know it was a gene and a specific thing,' Sharron O'Neill said. '
article_snippet: The farthest back I have been able to go is to a relative who came to Australia on a boat as an orphan in the early 1800s,' Sharron O'Neill said. '
article_snippet: Just five years later, Ms O'Neill's great-grandmother did too.
article_snippet: Ms O'Neill's great-grandmother said the family was 'on notice' from that point.
article_snippet: Mrs O'Neil's grandmother in the arms of Mrs O'Neil's .
highlights_snippet: 'her family always knew there was something,' Sharron O'Neill says .
  