"So who is right? It's a confusing picture. But Marie-Pierre Manet-Beauzac, "the last Cagot in the world", has no doubts where she comes from: "I believe the Cagots are descendants of Moorish soldiers left over from the 8th century Muslim invasion of Spain and France. That's why some people called them 'Saracens'. I am quite dark, and my daughter Sylvia is the darkest in her class." "