Historical Events Oct 29 Conradin, the last legitimate male heir of the German Hohenstaufen dynasty of Kings and Holy Roman Emperors, is executed with Frederick I, Margrave of Baden by Charles I of Sicily Famous Deaths Oct 15 Dirk II, mister of Valkenburg, dies Oct 19 Konradin von Hohenstaufen, duke of Zwaben, beheaded Oct 20 Conrad Hohenstaufen/Conradin, last Duke of Swabia, beheaded in Naples aged 16 Oct 29 Conradin, Duke of Swabia (executed) (b. 1252) Oct 29 Frederick I, Margrave of Baden (beheaded) (b. 1249) 1267 History by Year 1269