Paul Merton traces the life of his maternal grandfather and discovers that he was involved in some of the key events that led to Irish independence in the 1920s.
Sixteenth series of the BAFTA-winning series
Daniel Radcliffe
Naomie Harris
Jack and Michael Whitehall
Kate Winslet
Katherine Ryan
Paul Merton
Sharon Osbourne
Mark Wright
Stars delve into their family history to find moving, funny and extraordinary stories.