In 1072, one Adalbert of Ortenburg, probably a younger son of Count Hartwig II of Grögling-Hirschberg (d. 1068/69), served as a Vogt stattholder in the Carinthian possessions of the Bishops of Freising.
The 16 locks are managed from four remote control centers (Neuses since 2007, Kriegenbrunn, Hilpoltstein, and Dietfurt from the beginning of 2007).