Surname Sielke (Sielke 
) , worldwide, is a very rare family name. The surname Sielke is characteristic of Germany, where it is a very rare surname, the United States, where it is an extremely rare surname, and Mexico. Also, Sielke is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sielke | United States, Germany, Brazil, Belgium, Mexico |
| leo sielke, jr. American painter, US (b. 1880) |
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| sabine sielke German university teacher, DE (b. 1959) |
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