Frederick_I,_Margrave_of_Baden--Emperor_of_Austria_Charles_I

Frederick I of Baden (1249 – October 29, 1268), 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.