Hermann Balk, German knight
Hermann Balk (died March 5, 1239, Würzburg), also known as Hermann von Balk or Hermann Balke, was a Knight-Brother of the Teutonic Order and its first Landmeister, or Provincial Master, in both Prussia and Livonia. From 1219 to 1227, he served as the Deutschmeister in the Order's Province of Alemannia. Balk led the crusaders during the Prussian Crusade and became Master of Prussia in 1230. From 1237 to 1238, he also served in the additional role as Master of Livonia.