Cognomen Roskar (Roskar 
) , worldwide, is a rare surname. The cognomen Roskar is characteristic of Slovenia, where it is quite a common surname, Norway, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Slovenia, Germany, and Canada. Very seldom, Roskar is the forename as well as the last name.
| robert roskar researcher |
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