Joachim Herrmann, "Die Slawen in Deutschland", Akademie-Verlag Berlin, 1985, p.365 In 1066, Kruto succeeded in an uprising initiated by the Obodrite nobility and supported by the Luticians, against Gottschalk and his Saxon dukes Ordulf and Magnus.
Joachim Herrmann, "Die Slawen in Deutschland", Akademie-Verlag Berlin, 1985, p.366 Scholars believe the family was part of the Rani of Rugia. Beginning in 1066, Kruto led an uprising of the western Polabian Slavs, principally the constituent tribes of the Obodrite confederacy, against Gottschalk and his Saxon dukes Ordulf and Magnus.