Siegfried of Ballenstedt Count Palatine of the Rhineland (c. 1075–1113) (1075–1113) Parents Adalbert II, Count of Ballenstedt Adelaide of Weimar-Orlamünde Children Siegfried II, Count of Weimar-Orlamünde Adela von Orlamünde William, Count of Weimar-Orlamünde Siblings Otto, Count of Ballenstedt Partners Gertrude of Northeim