Antoine-Jacques-Justin Douillon was born on 13th April, 1769 in Saint-Nicolas d'Aliermont. Eli Terry was born on 13th April, 1772 in East Windsor, Connecticut. Juste-Éloi-Armand-Sulpice Legrand was born on 13th April, 1802 in Saint-Nicolas d'Aliermont. Angèle-Adèle (Angélique) Thérin was born on 13th April, 1812 in Biville sur Mer. Élise-Julia-Olive Dumesnil (Duménil) was born on 13th April, 1846 in Saint-Nicolas d'Aliermont. Marie-Honorine Queval was born on 13th April, 1850 in Dampierre near Saint-Nicolas d'Aliermont.
Jean Badollet died on 13th April, 1730. Marguerite-Rufine (Ruffine) Hurel died on 13th April, 1888 in Saint-Aubin-le-Cauf. Charles-Henri Huguenin died on 13th April, 1890 in Le Locle. Broder Andresen died on 13th April, 1893. Homère-Eugêne Boé died on 13th April, 1899 in Saint-Nicolas d'Aliermont. Johannes Jupitz died on 13th April, 1902. Joh. Leonh. Sebastian Sauer died on 13th April, 1905. Ulysse Anguenot died on 13th April, 1937 in Villers-Le-Lac.