Lost connections and unfamiliar histories are revealed as celebrities trace their family trees.
Actor Warwick Davis finds humanity and humour in some uncomfortable stories.
Greg Davies uncovers the deepest Welsh roots anyone could wish for.
Sir Ian McKellen uncovers a theatrical ancestor and a Victorian political activist.
Ricky Tomlinson traces his roots and discovers that he comes from generations of carters.
Singer Cheryl traces her roots and discovers a sea-faring ancestor and a family tragedy.
Liz Bonnin investigates her parents' lineages on the islands of Trinidad and Martinique.
Amanda Holden explores her French ancestry.
Actor Danny Dyer sets out to discover the history of his family in the East End of London.
Frances de la Tour's family tree holds a clue which hints at aristocratic ancestors.
Actor and writer Mark Gatiss untangles a tale of rags to riches in his family history.
Anita Rani finds out what happened to her grandfather during the Partition of India.
Journalist Frank Gardner learns more about his mother's side of the family.
Actress Anne Reid sets out to find out more about the history of her father's family.
Gareth Malone sets out to find out how far back his family's passion for music goes.
Jerry Hall wants to find out how her family, originally from Oldham, ended up in America.
Actor Derek Jacobi discovers that he is descended from a Huguenot fleeing persecution.
Jane Seymour discovers what happened to her Polish relatives during World War II.
