I need the following motto translated into classical Latin:

"Victory over the Hateful Brotherhood"

Hi racabilly!!

I'd go with:

Victoria contra sodalitas invisa.

The literal translation of this latin phrase is:
"The victory against the hateful (or hated or detested) association"

victoria : victory  

contra : against

sodalitas : fellowship, companionship, secret society ...
            those are synonyms of Brotherhood
see: http://www.webster.com/cgi-bin/thesaurus?book=Thesaurus&va=brotherhood
and 
also : http://www.webster.com/cgi-bin/dictionary?book=Dictionary&va=sodality

invisus : hated, hateful.

invīsus , a, um, P. a. 
a. Hated, hateful, detested (class.). 
(a). Of persons, animals, etc.: persona lutulenta, impura, invisa,
Cic. Rosc. Com. 7,
From "Charlton T. Lewis, Charles Short, A Latin Dictionary" result
page for INVISUS:
http://www.perseus.tufts.edu/cgi-bin/ptext?doc=Perseus%3Atext%3A1999.04.0059%3Aentry%3D%2324760

The search strategy is described below:

To word translation visit the "Latin<->English Dictionary"
http://www.arts.cuhk.edu.hk/Lexis/Latin/


And You can verify Latin definitions with this dictionary at Tufts
University:
http://www.perseus.tufts.edu/cgi-bin/resolveform?lang=la


I hope this helps. If you need some clarification, please request for
it.

Regards
livioflores-ga

Maria at AllExperts.com was kind enough to translate this for you. Her
biography: "I am an expert in Latin & Ancient Greek Language,
Literature and History, as well as in Italian Literature. I also have
a strong interest in modern art, as my husband was a painter. In this
field, the subject I know more about is Abstract Expressionism."
 
"Victoria ex Odioso Sodalicio"  
 
Hope this is just what you need!