Cognomen Ronsberg (Ronsberg 
) , around the globe, is a very rare surname. The cognomen Ronsberg is habitual in Norway, where it is a very rare surname, the United States, and Canada. Not in comparison with a country's population, it is the most numerous in the United States, Norway, and the United Kingdom. Much less frequently, Ronsberg is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ronsberg | Germany, Canada, United Kingdom, United States, Norway |
| heinrich i von ronsberg LI (b. 1140) |
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| gottfried i von ronsberg, graf von ronsberg LI (b. 1150) |
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| gottfried i von ronsberg, graf von ronsberg, vogt von ottobeuren Est 1100 - Abt 1172 |
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| freiherr peter ii z sswamberka auf ronsberg 1514 - 24 Jun 1575 |
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| hans von stein zu ronsberg |
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| gottfried ii markgraf von ronsberg DE |
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| adalbert von ronsberg |
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Mr, Nancy, Elise, Emily, Marcos, Sidnee, Stuart, Carole, Brooke, Pickyun, Pikyun, Robert, Gerald, Lester, Nicole, Cynthia, Barbara, Kenneth, Krystal, Randall, Dorothy, Douglas, Tyler, Tracy, Julio, Jerry, Stu, Deb, Seth, Kari, Kyle, Doug, Gary, Gail, Greg, Lynn, William, John, Erik, Katie, Kaare, Keith, Kevin, Renee, David, Larry, Jason, Jesse, Judy, and Margaret