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Cognomen Dalfsen (Dalfsen
) , in all the world, is a rare family name. The surname Dalfsen is characteristic of Netherlands, where it is quite a rare surname, Switzerland, where it is a rare surname, and Czechia. In absolute terms, it is commonest in Netherlands, Poland, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Dalfsen | Netherlands, Czechia, Switzerland, Poland, United Kingdom |