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Across the world, Markus Sebastian (Markus Sebastian
) is a very rare boy's forename. The given name Markus Sebastian is characteristic of Western Europe, particularly Germany, where it is a very rare masculine name. Much less frequently, Markus Sebastian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Markus Sebastian | Norway, Germany, Chile |
Uhl, Schroder, and Lichtenthaeler