Udonids

The Udonids (Udonen) were a German noble family, ruling as both the Counts of Stade and Margraves of the Nordmark, or Northern March, from the 9th to the 12th century.He was the grandson of the first Count of Stade, Lothar I, who was killed by the Great Heathen Army in the Battle of Ebstorf, and was recognized as one of the Martyrs of Ebsdorf by the Catholic Church.This continued until the deaths or deposition of brothers Udo IV, Rudolf II and Hartwig, which ended the male line of Udonids.The most reliable of the histories of the family is provided by Thietmar of Merseburg, son of Kunigunde von Stade, Henry's daughter, and her husband Siegfried I the Older, Count of Walbeck.The history of the family is clouded in the years after the death of Lothar at the Battle of Lenzen in 929, with the presence of Wichmann the Elder and his sons, but their criminal behavior soon resulted in the return of the Udonids.
Counts of StadeMargraves of the NordmarkHenry I the BaldHarsefeldDuchy of FranconiaLothar IGreat Heathen ArmyBattle of EbstorfMartyrs of EbsdorfLothair Udo IAltmarkEmperor Henry IVArchbishopric of BremenUdo IVRudolf IIHartwigAlbert the BearHenry the LionEmperor Frederick BarbarossaMargraviate of BrandenburgThietmar of MerseburgSiegfried I the Older, Count of WalbeckLothar I of WalbeckLothar II of StadeBattle of LenzenRagyndrudis CodexSaint BonifaceBernard I, Duke of SaxonyWichmann the ElderFrederich