Frederick I of Sweden, the next landgrave, became by marriage King of Sweden. This was witnessed by the Landgrave and various officials. In 1926 they assumed the titles of Landgrave and Landgravine of Hesse. She was a daughter of Henry II, Landgrave of Hesse, and Elizabeth of Meissen. I, who was also the Margrave of Meissen and Landgrave of Thuringia. Most were conscripted, with their pay going to the Landgrave. I had his son educated by Philip I, Landgrave of Hesse. She was a daughter of Charles I, Landgrave of Hesse-Kassel, and Maria Amalia of Courland. She married Louis IV, Landgrave of Thuringia. He succeeded to the title of Landgrave of Hesse-Marburg in 1458. He left behind a widow, Jutta of Thuringia, daughter of Hermann I, Landgrave of Thuringia. Archbishop Konrad I of Mainz and Landgrave Ludwig III of Thuringia. She was the daughter of Louis IX, Landgrave of Hesse-Darmstadt. This group was led by William I, Landgrave of Hesse. Philip I, Landgrave of Hesse, died in 1567.