Ricky Tomlinson traces his roots and discovers that he comes from generations of carters.

Amanda Holden explores her French ancestry.

Liz Bonnin investigates her parents' lineages on the islands of Trinidad and Martinique.

Singer Cheryl traces her roots and discovers a sea-faring ancestor and a family tragedy.

Sir Ian McKellen uncovers a theatrical ancestor and a Victorian political activist.

Actor Danny Dyer sets out to discover the history of his family in the East End of London.

Ricky Tomlinson traces his roots and discovers that he comes from generations of carters.

Sir Ian McKellen uncovers a theatrical ancestor and a Victorian political activist.

Sir Ian McKellen uncovers a theatrical ancestor and a Victorian political activist.

Greg Davies uncovers the deepest Welsh roots anyone could wish for.

Warwick Davis uncovers the story of his three times great grandfather - a postman who lived a double life.

Actor Sunetra Sarker sets out to explore the Bengali heritage she ignored when she was growing up in Liverpool.

BBC News presenter Sophie Raworth discovers a tragic but inspiring tale of ancestors who risked everything to move to America.

Actor Charles Dance explores his family history and is determined to learn about his dad.

Greg Davies uncovers the deepest Welsh roots anyone could wish for.

Strictly judge Craig Revel Horwood heads to Australia to learn more about his family.

Sports broadcaster Clare Balding uncovers an extraordinary American dynasty.

Citizen Khan star Adil Ray explored rumours of a link to African royalty.

Greg Davies uncovers the deepest Welsh roots anyone could wish for.

Presenter Emma Willis' family history leads her down two very different paths in Ireland.

Pop star Lulu travels to Glasgow to get to the bottom of a family mystery.