Sarah Greene uncovers her Welsh ancestry and discovers her hidden family tree and the story of a grisly family murder. Show more

Former deputy prime minister John Prescott discovers a shocking secret behind his family story in Wales. Show more

Series in which celebrities trace their Welsh ancestry. Actress Michelle Collins uncovers the story of her grandfather's tragic life as a professional boxer. Show more

TV presenter Gabby Logan and her father, former Wales manager Terry Yorath, learn the heart-breaking story of the Yorath family in 19th century Cardiff. Show more

Trevor Eve takes an emotional journey to explore his Welsh ancestry. uncovering a moving family secret kept hidden from him for over 50 years. Show more

Cilla Black learns that her family owe as much to Wales as they do to Liverpool as she traces the story of her family's history in Wales back through five generations. Show more

Fiona Phillips explores her Welsh ancestry. She learns about her ancestors' role in one of Wales's historic events and uncovers a story of her family during WWI. Show more

John Humphrys explores his Welsh ancestry and learns about the shipwreck that changed the course of his family history. Show more

Ioan Gruffudd traces his Welsh family ancestry and learns about an ancient medieval tomb that can help unlock the secrets of his family's royal past. Show more

Sian Phillips explores her Welsh ancestry and relives a moving performance from her childhood. Show more

Comedian and actor Ben Miller traces his Welsh ancestry and discovers a tale of heroism in WWI and a surprising family link to the White House. Show more

Veteran BBC Middle East editor Jeremy Bowen traces his Welsh ancestry and learns of his great-great grandfather's early life as a child labourer. Show more

Singer Shakin' Stevens explores his Welsh ancestry and is moved to learn how his uncle and grandmother fared after the First World War. Show more

Veteran actor John Rhys-Davies explores his Welsh ancestry and discovers a dramatic story of bravery and sacrifice in the coal mines of Carmarthenshire. Show more

Sian Lloyd explores her Welsh ancestry and discovers the shocking story of her great-grandfather's trial for murder. Show more

Neil Kinnock takes an extraordinary and emotional journey to explore his Welsh ancestry. He uncovers a series of shocking family secrets about which he knew nothing. Show more

Former Blue Peter presenter Gethin Jones makes an emotional journey to Wales to trace his family tree - and uncovers a moving story from his mother's past. Show more

The One Show presenter Alex Jones explores her Welsh ancestry and uncovers the poignant story of a horse that touched the lives of three generations of her family. Show more

Fashion designer David Emanuel traces his Welsh family tree and tries to find proof that his grandfather actually knew Lawrence of Arabia. Show more

Coronation Street actor Ian Puleston-Davies journeys in search of his Welsh ancestry and discovers the price paid by his family in the American Civil War. Show more