Agnes of Waiblingen

Agnes of Waiblingen (1072/73 – 24 September 1143), also known as Agnes of Germany, Agnes of Poitou and Agnes of Saarbrücken, was a member of the Salian imperial family. Through her first marriage, she was Duchess of Swabia; through her second marriage, she was Margravine of Austria. Family She was the daughter of Henry IV, Holy Roman Emperor, and Bertha of Savoy. First marriage In 1079, aged seven, Agnes was betrothed to Frederick, a member of the Hohenstaufen dynasty; at the same time, Henry IV invested Frederick as the new duke of Swabia. The couple married in 1086, when Agnes was fourteen. They had two sons, Frederick II of Swabia and Conrad III of Germany, as well as a 3 daughters: Gertrud, who married Hermann III, Count Palatine of the Rhine Heilika, who married Frederick III of Pettendorf-Lengenfeld-Hopfenche Richildis, who married Hugh I, Count of Roucy In 1977, German genealogist and historian Hansmartin Decker-Hauff revealed the existence of several other children he claimed to have found in documents from the abbey of Lorch, the Staufers' family monastery. These claims were later exposed as forgeries. Historian Heinz Bühler's suggestion that Berta of Boll, the wife of Count Adalbert of Elchingen-Ravenstein, was Agnes' and Frederick's daughter is purely speculative.