 According to the Annalista Saxo chronicles, Theodoric played a key role in the emperor's campaign and in turn could succeed the Lusatian margrave Odo II in 1032.However, he earned the hatred of his brother-in-law Eckard II of Meissen and was killed by his henchmen, whereafter Eckard became his successor in Lusatia.Theodoric's possessions were divided among his sons.