Surname Grossklaus (Grossklaus 
) , across the world, is a rare cognomen. The family name Grossklaus is habitual in Germany, where it is a rare surname, Brazil, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Grossklaus | Germany, Canada, France, Brazil, United States |
| kevin grossklaus researcher |
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| tim grossklaus German footballer, DE (b. 1987) |
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| ciril grossklaus Swiss judoka, CH (b. 1991) |
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Mr, Ryan, Dave, Dirk, Drew, Dyan, Gary, Lean, Lori, Luis, Ralf, Luiz, Jane, Jose, Josy, John, Joel, Jean, Jeff, Judy, Jill, Luan, Peng, Paul, Kyle, Ms, Jo, Sue, Ana, Ann, Ari, Amy, Bob, Jon, Tim, Mary, Mark, Suzi, Sven, Alex, Alan, Beth, Bree, Kara, Kari, Kira, Todd, and Tina