Family name Sylwin (Sylwin 
) , throughout the world, is a rare cognomen. The surname Sylwin is characteristic of Poland, where it is quite a rare surname, and Israel, where it is a very rare surname. Much less frequently, Sylwin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sylwin | South Africa, Philippines, India, Poland, France |
| sylwin lubański Polish Righteous Among the Nations, PL (b. 1872) |
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| sylwin lubański Righteous Among the Nations, PL (b. 1901) |
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| sylwin jerzy strakacz PL (b. 1892) |
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| anatol sylwin Polish architect, PL (b. 1915) |
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| sylwin pawlowski researcher ORCID ID = 0000-0001-7259-1805 |
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