Watch Who Do You Think You Are? Season 15 Episode 7 Online

Robert 'Judge' Rinder follows the story of his grandfather, a Holocaust survivor, hearing first-hand testimony of the horror of Nazi forced labour camps as well as of the hope offered by a new life in Lake Windermere. Investigating the dark mystery surrounding his great-grandfather leads Robert to a small town in Latvia, where he uncovers a story of mental illness and trauma which will ultimately, he hopes, lay some ghosts to rest.