Louis Hubert was born on 12th April, 1705 in Saint-Étienne. Augustin-Prosper Lemercier was born on 12th April, 1779 in Saint-Nicolas d'Aliermont. Jean-Baptiste-François Denis was born on 12th April, 1810 in Saint-Nicolas d'Aliermont. Pierre-Felix Deschamps was born on 12th April, 1812 in Saint-Aubin-le-Cauf near Saint-Nicolas d'Aliermont. Célestine-Appoline Boé was born on 12th April, 1836. Karl Julius Späth was born on 12th April, 1838 in Steinmauern (Baden-Württemberg). Isidore-Éméry Lebon was born on 12th April, 1843 in Saint-Nicolas d'Aliermont. Eugènie-Anna Denis was born on 12th April, 1853 in Saint-Nicolas d'Aliermont. Jakob Kienzle was born on 12th April, 1859 in Schwenningen. Marie-Armantine L'Écuyer was born on 12th April, 1864 in Saint-Nicolas d'Aliermont. Georges-Alphonse Lejoille was born on 12th April, 1891 in Saint-Nicolas d'Aliermont.
Andrä Schäffer died on 12th April, 1624. Charles Samuel Capt died on 12th April, 1829 in Le Solliat, Le Chenit. Pascal Troude died on 12th April, 1832 in Saint-Nicolas d'Aliermont. Thimothée-Nicolas Troude died on 12th April, 1832 in Saint-Nicolas d'Aliermont. Achille-Narcisse Delille died on 12th April, 1867 in Saint-Nicolas d'Aliermont. Hélène-Élisabeth Croutte died on 12th April, 1894 in Saint-Nicolas d'Aliermont.