4. See You in Court

Laura and Jayne take the unusual step of getting Billy’s DNA via his lung cancer biopsy. They ask the Anderson family for a direct DNA test between William Anderson and Billy to prove they’re father and son. When communication fizzles out the mother-daughter duo are left with no option but to go to court. Meanwhile, with a DNA test kit in her handbag, Jayne recalls going to Ryde on the Isle of Wight to meet the woman claiming to be related to Billy.

Om Podcasten

Sharing personal stories of discovery and family identity. Series 1: The Promise A young woman's deathbed promise to her father takes her on a remarkable journey from the south coast of England to the other side of the world to solve a family mystery.Have you got a DNA related story you'd like to share? Tell us at DNATrail@bbc.co.uk.