Adelaide of Weimar-Orlamünde German noblewoman (c. 1055–1100) (1055–1100) Parents Otto I, Margrave of Meissen Adela of Louvain Children Siegfried of Ballenstedt Otto, Count of Ballenstedt Siblings Kunigunde of Meissen Oda von Meissen Conrad von Ostmark Henry I, Margrave of the Saxon Ostmark Partners Hermann II, Count Palatine of Lotharingia Henry of Laach Adalbert II, Count of Ballenstedt