Ghibelline
Concise Oxford English Dictionary © 2008 Oxford University Press:
Ghibelline /ˈgɪbɪlʌɪn/
▶noun a member of one of the two great political factions in Italian medieval politics, traditionally supporting the Holy Roman emperor against the Pope and his supporters, the Guelphs.
– origin from Ital. Ghibellino, perh. from Ger. Waiblingen, an estate belonging to a German dynasty of Holy Roman emperors.
'Ghibelline' also found in these Oxford entries:

