- Hélène Gerthoffer
Birth - 31 May 1906 (82 year anniversary) - Mulhouse, Haut-Rhin, Alsace, France - Emile Gerthoffer
Birth - 31 May 1880 (108 year anniversary) - Mulhouse, Haut-Rhin, Alsace, France - Anne-Catherine Gerthoffer
Death - 31 May 1852 (136 year anniversary) - Burnhaupt-le-Haut, Haut-Rhin, Alsace, France - Elisabeth Gerthoffer
Birth - 31 May 1825 (163 year anniversary) - Burnhaupt-le-Haut, Haut-Rhin, Alsace, France - Jacques Gerthoffer
Birth - 31 May 1821 (167 year anniversary) - Burnhaupt-le-Haut, Haut-Rhin, Alsace, France
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