{"product_id":"9780999238820","title":"World Leadership: How Societies Become Leaders and What Future Leading Societies Will Look Like","description":"\u003cp\u003ePurchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Frederick I, Holy Roman Emperor, Frederick Ii, Holy Roman Emperor, House of Hohenstaufen, Conrad Iii of Germany, Henry Vi, Holy Roman Emperor, Philip of Swabia, Conradin, Frederick Iii of Sicily, Constance of Sicily, Manfred of Sicily, Henry of Germany, Isabella Ii of Jerusalem, Bianca Lancia, Gertrude of Sulzbach, Berengaria of Castile, Margaret of Austria, Queen of Bohemia, Otto of Freising, Marie of Hohenstaufen, Constance of Sicily, Queen of Aragon, Conrad Iv of Germany, Enzio of Sardinia, Frederick Ii, Duke of Swabia, Anna of Hohenstaufen, Margaret of Sicily, Elisabeth of Bavaria, Otto I, Count of Burgundy, Adelheid of Vohburg, Conrad, Count Palatine of the Rhine, Helena Angelina Doukaina, Irene Angelina, Agnes of Germany, Beatrice of Hohenstaufen, Frederick I, Duke of Swabia, Elisabeth of Hohenstaufen, Leopold Iv, Duke of Bavaria, Frederick Iv, Duke of Swabia, Gertrud of Comburg, Conrad Ii, Duke of Swabia, Henry Berengar, Beatrice Ii, Countess of Burgundy, Frederick V, Duke of Swabia. Excerpt: Adelheid of Vohburg (1122 - 1190) was the first Queen consort of Frederick I, Holy Roman Emperor . Family Adelheid was a daughter of Diepold III, Margrave of Vohburg (d. 1146) and either his first wife, Adelajda of Poland, or his second wife Kunigunde of Beichlingen. Her paternal grandparents were Diepold II, Count of Cham (d. 1078) and Liutgarde of Zähringen . Diepold II was also Margrave of Nordgau. Her maternal grandparents were either Wladislaw I Hermann, Prince of Poland, and Judith (Jutta) of Swabia\/Germany or Kuno, Count of Beichlingen and Kunigunde of Weimar. Diepold II was a younger son of Diepold I, Count of Cham and his unnamed wife. Liutgarde was a daughter of Berthold II, Duke of Carinthia and his first wife Richwara. Wladislaw I Hermann was the second son of Kazimierz ...\u003c\/p\u003e","brand":"Frock Off Inc.","offers":[{"title":"Default Title","offer_id":47021427032304,"sku":"9780999238820","price":28.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780999238820_p0.jpg?v=1763943887","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780999238820","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}