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| Board | Threads | Messages | Last Post |
| Brzeczkowski | 3 | 8 | 31 Mar 2011 |
| Brzenski | 0 | 0 | |
| Brzeski | 3 | 18 | 24 Jul 2015 |
| Brzezicki | 8 | 30 | 19 Apr 2012 |
| Brzezinski | 58 | 248 | 23 Jan 2015 |
| Brzezniak | 1 | 1 | 6 Oct 2004 |
| Brzobohaty | 4 | 10 | 26 Nov 2005 |
| Brzoska | 13 | 31 | 22 Dec 2014 |
| Brzostowicz | 4 | 13 | 3 Jun 2014 |
| Brzozowski | 47 | 173 | 12 May 2014 |