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Cognomen Graine (Graine , Grenn , Грена ) , around the globe, is quite a rare surname. The cognomen Graine is habitual in Algeria, where it is quite a rare surname, Armenia, and Morocco, where it is a rare surname. In absolute terms, this name is the most popular in Algeria, France, and the United States. Very seldom, Graine is the forename as well as the last name.