Premise: Paul Albert Raymond Barlatier de Mas (13 October 1802, Saint-Omer - 24 January 1874, Paris), was a French Baron, Chief of the Paris-Lyon-Méditerranée Railway Company, and mayor of Dammarie-les-Lys. Baron Barlatier de Mas was the grandson of Captain Paul François Ignace de Barlatier de Mas.
Hypothesis: Paul Albert Raymond Barlatier de Mas was born about 3 weeks before halloween