His brothers having inherited Moravia, Spytihněv tried to reduce their authority by arresting 300 Moravian magnates and stripping his brothers of their rights in the province.
Saudara-saudaranya mendapat warisan Moravia, Spytihněv mencoba untuk mengurangi otoritas mereka dengan menahan 300 jutawan Moravia dan melepaskan hak saudara-saudaranya di dalam provinsi tersebut.