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Cognomen Rygiel (Rigel , Rygiel , Riegel ) , in all the world, is a common surname. The cognomen Rygiel is habitual in Germany, where it is quite a rare surname, Poland, and Slovakia. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Poland. Also, Rygiel is the forename as well as the last name.