sentences:  Upon his death only one year later, he was succeeded by his brother Engelbert, whose descendants ruled in Carinthia until the death of Duke Ulrich III in 1269.Engelbert's younger son Rapoto became the ancestor of the Bavarian Ortenburg dynasty.The Spanheim dukes tried to consolidate their possessions by being loyal liensmen of the Imperial House of Hohenstaufen, they nevertheless had to struggle with reluctant local nobles like the Carinthian Ortenburger.