Frederick I of Baden, a member of the House of Zähringen, was Margrave of Baden and of Verona, as well as claimant Duke of Austria from 1250 until his death. As a fellow campaigner of the Hohenstaufen king Conradin, he likewise was beheaded at the behest of King Charles I of Naples.

The March of Verona and Aquileia was a vast march of the Holy Roman Empire in the northeastern Italian Peninsula during the Middle Ages, centered on the cities of Verona and Aquileia. Seized by King Otto I of Germany in 952, it was held by the Dukes of Bavaria; from 976 in personal union with the Duchy of Carinthia. The margravial regime ended with the advent of the Lombard League in 1167.