Paddy McGuinness is set to discover that he has a hidden connection to US President Joe Biden on the new series of Who Do You Think You Are?. But he was shocked to discover his great-great-grandparents Mark McGuinness and Winifred Malloy lived close to the 81-year-old U.S. President's ancestor, Edward Blewitt, in Ballina, County Mayo. Paddy was shocked to discover …
