| famname | Location | URL | Name |
| Knopf | Mauerfeld,Fulda,DE>Frank,Saratov,RU | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Kober | Gemmingen, WUE > Pennsylvania, USA | www.homestead.com/coovercorner/genealogy_russ.html | Russell W. Coover |
| Koch | Germany > MA | members.aol.com/genkoch/koch.htm | Pam Koch |
| Koch | DE>RU | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Koch | DE>Kolb,Saratov,RU | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Koester | Lesumstotel, Hannover, Prussia | www.angelfire.com/va/ValsGenealogyPage/page2.html | Valerie Karvoski |
| Kollman | DE>USA>MN>SD>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Kollmann | DE>USA>MN>SD>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Kollmannsperge | DE>USA>MN>SD>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Kollmannsperger | DE>USA>MN>SD>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Kollmansperger | DE>USA>MN>SD>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Koplen | Prossekel, Prussia > WI > MN | | Deb Koplen |
| Koplin | Prossekel, Prussia > WI > MN | | Deb Koplen |
| Koscak | Yugoslavia-USA | members.aol.com/evilsizer3/ | Sandi Evilsizer Koscak |
| Kramer | DEU>OGLE CO., IL | members.aol.com/rogercubs/index.html | Roger Cramer |