When you explore a family's history, you have to be prepared for a surprise - good or bad.
The Berkshire Family History Society has been tracing local heritage for 50 years, during which have discovered some incredible stories, including a local link to the Great Escape during World War 2.
BBC Radio Berkshire's Kirsten O'Brien speaks to Catherine Sampson, chair of the society.
Photo: Prisoner of war camp Stalag Luft III during World War 2. Credit: Hulton Archive/Getty Images
