Question: What was the faction called that supported the Pope and the Holy Roman Emperor in the Italian city-states and that Alberico da Romano was a statesman of in the 1100's?
Sentence (from "Alberico da Romano"): Alberico da Romano (1196 – 26 August 1260), called Alberico II, was an Italian condottiero, troubadour, and an alternatingly Guelph and Ghibelline statesman.
Relevant evidence: Yes