Gertrude of Brandenburg Peerage person ID=9013 (b. 1150) Parents Sophie of Winzenburg Albert the Bear Children Děpolt II Hedwig of Bohemia Siblings Bernhard, Count of Anhalt Adalbert III von Ballenstedt Siegfried, Prince-Archbishop of Bremen Otto I Hedwig of Brandenburg Herman I, Count of Weimar-Orlamünde Heinrich von Brandenburg Adelheid von Brandenburg Dietrich von Brandenburg Partners Děpold I of Jamnitz