As an inheritance dispute arose upon Duke Albert's death in 1395, the young Leopoldian dukes insisted on their rights: the next year, William went on to rule the Inner Austrian lands and Leopold IV ascended as Count of Tyrol. When Frederick came of age in 1402, he was formally assigned to administrate his father's inheritance in the scattered Habsburg territories in Swabia, referred to collectively as Further Austria ("Vorderösterreich") and took his residence in Freiburg im Breisgau. Another division of the Leopoldian territories took place after William' death in 1406: Duke Leopold IV, now eldest heir, ceded Tyrol to Frederick, however, he did not become sole ruler in Further Austria until Leopold's death in 1411.