Frédéric-Julien Ducommun-dit-Boudry was born on 31st December, 1786 in La Sagne.
Jean-Michel Sauteur was born on 31st December, 1799 in Saint-Nicolas d'Aliermont.
Jean-Jacques-Sylvestre Denis was born on 31st December, 1805 in Saint-Nicolas d'Aliermont.
Auguste François Aubert was born on 31st December, 1813 in Derrière-la-Côte (Le Chenit).
Christian Petersen (d. Jüngere) Backmann was born on 31st December, 1814.
Antoine-Josèph Lefebvre was born on 31st December, 1842 in Saint-Nicolas d'Aliermont.
Richard William Weicholdt was born on 31st December, 1860 in Glashütte.
Jacques-Sénateur Timbert was born on 31st December, 1862 in Criel-sur-Mer, Seine-Maritime.
Clémencia-Eugénie Lefebvre was born on 31st December, 1866 in Saint-Nicolas d'Aliermont.
Marie-Victoria Lefebvre was born on 31st December, 1866 in Saint-Nicolas d'Aliermont.
Jacques-David LeCoultre was born on 31st December, 1875 in Le Sentier.
Ferdinand-Alfred Letellier was born on 31st December, 1886 in Saint-Nicolas d'Aliermont.