Anthelme Mangin
Anthelme Mangin (19 March 1891 – 10 September 1942), real name Octave Félicien Monjoin, was an amnesiac French veteran of the First World War who was the subject of a long judicial process involving dozens of families who claimed him as their missing relative. In 1938 he was determined to be the son of Pierre Monjoin and Joséphine Virly.