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Cognomen Roncin (Roncin
, Hros
, 隆欽) , worldwide, is quite a rare last name. The family name Roncin is characteristic of Slovakia, where it is quite a rare surname, France, and Czechia, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in France, Slovakia, and Canada. Much less frequently, Roncin is the forename as well as the last name.