Dukes of Spoleto Duchi di Spoleto Records #6 Holders Family filter On/Off Alberigo I, duke of Spoleto Bonifacio di Canossa, duke of Spoleto * 0985 Guido, duke of Spoleto * 0800 Suppo I, duke of Spoleto Suppo II, duke of Spoleto Welf VI, duke of Spoleto * 1115 Corrections and Updates To suggest a correction or an update. Click Here