4 Abstract This thesis is devoted to Ludmilla of Bohemia, the daughter of Frederick, Duke of Bohemia and his wife Elizabeth of Hungary, Duchess of Bohemia. In the first part of this thesis history of the Bogen dynasty and the beginning of the House of Wittelsbach are described. The main part of this thesis deals with the life of Ludmilla of Bohemia. Along with it brief biographies of both of her husbands, Albert III, Count of Bogen and Ludwig I, Duke of Bavaria member of Wittelsbach dynasty as well as the biographies of her four sons Berhtold, Luitpold and Albert of Bogen and Otto II, Duke of Bavaria are included. The last chapter of this thesis deals with Seligenthal monastery by the town of Landshut which Ludmilla founded in 1232. Key words: the Middle ages, Bavaria, Ludmilla of Bohemia, Counts of Bogen, House of Wittelsbach, Seligenthal monastery