Agnes von Braunschweig-Grubenhagen Peerage person ID=7873 Parents Judith of Brandenburg Henry II, Duke of Brunswick-Grubenhagen Children Swantibor I, Duke of Pomerania Casimir III, Duke of Pomerania Bogislaw VII, Duke of Pomerania Siblings Johann von Braunschweig-Grubenhagen Ludwig von Braunschweig-Grubenhagen Otto, Duke of Brunswick-Grubenhagen Riddag von Braunschweig-Grubenhagen Thomas von Braunschweig-Grubenhagen Philip of Brunswick-Grubenhagen Balthazar of Brunswick-Grubenhagen Melchior of Brunswick-Grubenhagen Partners Barnim III, Duke of Pomerania