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In the entire world, Бертьє (Berthier , Бертьє) is a rare unisex forename. The given name Бертьє is habitual in the Democratic Republic of the Congo, where it is a rare unisex name, France, where it is a very rare epicene name, and Philippines, where it is a very rare male name. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, France, and the United States. More prevalently, Бертьє is the last name as well as the forename.