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Last name Rydder (Rydder
, Риддер
) , in all the world, is a very rare cognomen. The surname Rydder is characteristic of Denmark, where it is a rare surname, Nicaragua, and Russia, where it is a very rare surname. Very seldom, Rydder is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rydder | United States, United Kingdom, Nicaragua, Denmark, Venezuela |
| Риддер | Kazakhstan, Russia |