Cognomen Sieswerda (Sieswerda 
) , in the world, is a rare family name. The last name Sieswerda is characteristic of Netherlands, where it is a rare surname, Belgium, where it is a very rare surname, and Canada. In absolute terms, this name is the most popular in Netherlands, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Sieswerda | Belgium, Canada, United States, Netherlands |
| afke sieswerda Dutch Righteous Among the Nations, NL (b. 1886) |
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| tine sieswerda Dutch Righteous Among the Nations, NL (b. 1913) |
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| gertjan tj sieswerda researcher |
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