Source: BBC 1
Series 13: 8. Warwick Davis
Series 11: 10. Twiggy
Celebrity genealogy series. Twiggy grew up in a close-knit family in London, but her mother told her almost nothing about her relations, not even her grandmother's name.
Series 11 - Billy Connolly
Celebrity genealogy series. Scottish comedian and actor Billy Connolly travels to India in the footsteps of his army ancestors and makes an extraordinary discovery.
Series 11 - Reggie Yates
Celebrity genealogy series. Presenter and DJ Reggie Yates unravels a complex family history where Ghanaian culture and British colonialism collide.
Series 11 - Martin Shaw
Celebrity genealogy series. Actor Martin Shaw investigates the story of his grandfather, Edwin Shaw, who walked out on his family when Martin's father was just a boy.
Series 11 - Mary Berry
Celebrity genealogy series. Bake Off star Mary Berry believes she inherits her energy from her father and sets off on a journey to find out more about his family.
Series 11 - Sheridan Smith
Celebrity genealogy series. Actress Sheridan Smith is keen to know where her musical talent comes from and is soon hot on the trail of her great-great-grandfather.
Series 11 - Brendan O'carroll
Celebrity genealogy series. Brendan O'Carroll ditches his alter ego Mrs Brown to turn detective, as he attempts to discover who murdered his grandfather.
Series 11 - Tamzin Outhwaite
Celebrity genealogy series. Tamzin Outhwaite journeys into her Italian past to uncover the rags-to-riches tale of her great-grandfather Adelmo.
Series 11 - Brian Blessed
Celebrity genealogy series. Actor Brian Blessed has always loved his unusual name - but has no idea where his Blessed ancestors came from.
Series 13: 1. Danny Dyer
EastEnders actor Danny Dyer hopes that he will 'freak a few people out' with his family history. Danny sets out to discover the history of his tough working-class fami ...
Series 12: 8. Anita Rani
Series 12: 1. Paul Hollywood
Series 9: 7. William Roache
Series 9: 10. John Bishop
Series 15: 1. Michelle Keegan
Our Girl actress Michelle Keegan uncovers some exceptional women on her family tree. On her mother's side Michelle discovers that her Gibraltarian great-grandmother Leonor ...
Series 7 - Bruce Forsyth
Celebrity genealogy series. Entertainer Bruce Forsyth travels to America to investigate claims that his great-grandfather was married to two women at once.