Rosso Gabrielli
Rosso Gabrielli was a Gubbio nobleman of the Guelph Gabrielli family and a son of Pietro di Gabriello. He served as podestà of Fossombrone in 1287 and later of Florence.
There, after the battle of Campaldino, he led operations against the castles of Anghiari and Poppi and the lands of Count Guido Novello. He held office at Roccacontrada in 1291–1292 and 1294, and at Siena in 1293.