 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.As Count of Eilenburg, he was succeeded by his eldest son Dedi, who also became Margrave of Lusatia upon the death of Margrave Eckard II of Meissen in 1046.