Who married Ludmila da Boêmia?

Ludmila da Boêmia (em tcheco/checo: Ludmila Přemyslovna; 1170 — 4 de agosto de 1240) foi condessa consorte de Bogen pelo seu primeiro casamento com Adalberto IV de Bogen, e posteriormente, duquesa consorte da Baviera pelo seu segundo casamento com Luís I da Baviera.

Albert III. (auch bekannt als Adalbert III., Albrecht III., nach anderer Zählart Albert IV. bzw. Adalbert IV.) (* 19. Juli 1165; † 20. Dezember 1197) war ein Graf von Bogen und Windberg sowie Vogt von Prüfening, Oberalteich und Windberg.

Ludwig I (23 December 1173 – 15 September 1231), called the Kelheimer or of Kelheim, since he was born and died at Kelheim, was the Duke of Bavaria from 1183 and Count Palatine of the Rhine from 1214. He was the only surviving son of Otto I, Duke of Bavaria (the first duke from the House of Wittelsbach) by his wife Agnes of Loon. He married Ludmilla of Bohemia, a daughter of Duke Frederick of Bohemia.