Marion Deichmann was nine years old when her mother was arrested in the Vél’ d’Hiv round-up in Paris and sent to a Nazi concentration camp. “Two militia came to our little apartment and said, ‘we’ve come to collect Alice Deichmann’,” Marion, now 91, recalls. “We knew that there were working camps, but nobody knew then about the ‘final solution’ – the plan to exterminate Jews in a gas chamber. So my mother was taken. I remember the last thing she said to me was, ‘be good, I’ll be back’.” Alice was sent to the Drancy transit camp on the outskirts...