Beaumont-of-Lomagne is a commune in France, located in the département of Tarn-et-Garonne and the region of Midi-Pyrénées. Inhabitants of Beaumont-de-Lomagne are called the Beaumontois. Geography The river Gimone runs through the town. History Beaumont-de-Lomagne, bastide, was founded in 1276 following the act of coregency between the abbey of Grandselve and King Philip III of France - the King was represented by his seneschal for Toulouse, Eustace de Beaumarchais. In 1278 the to… (More on Beaumont-de-lomagne)