Augustin-Cyprien Delépine was born on 9th April, 1781 in Saint-Nicolas d'Aliermont. Rosalie-Geneviève Hardy was born on 9th April, 1805 in Saint-Nicolas d'Aliermont. Aimée-Eugênie Houard was born on 9th April, 1829 in Saint-Nicolas d'Aliermont. Franz Sommer was born on 9th April, 1842. Louis-Charles Lejeune was born on 9th April, 1853 in Wanchy-Capval, Seine-Maritime. Eugénie-Célina Aupaix was born on 9th April, 1864 in Saint-Nicolas d'Aliermont. Ernst Hugo Voitel was born on 9th April, 1872 in Werdau. Robert-Léon Guignon was born on 9th April, 1883 in Saint-Nicolas d'Aliermont. Marcelle-Alexandrine Lefebvre was born on 9th April, 1893 in Saint-Nicolas d'Aliermont.
André Melly died on 9th April, 1812. Andreas Berger died on 9th April, 1831. Thomas Gooch died on 9th April, 1832 in Chiswick, London. Victor-Narcisse Heu died on 9th April, 1848 in Saint-Nicolas d'Aliermont. Auguste Audemars died on 9th April, 1881. Rodolphe-Léonard Duménil died on 9th April, 1900 in Autun, Saône-et-Loire. Dr. jur. Ernst Kurtz died on 9th April, 1996 in Stenum (Ganderkesee).