to atone for their crime. Frederick was entombed in Brunswick Cathedral. Family Frederick married Anna (died 1388), a daughter of the Ascanian duke Wenceslaus I of Saxe-Wittenberg, in 1386. With her he had two daughters: Catherine (died ca. 1439), married Henry XXIV, Count of Schwarzburg-Sondershausen Anna (died 1432), married the Habsburg duke Frederick IV of Austria, called "of the Empty Pockets", Count of Tyrol. References Braunschweigisches Biographisches Lexikon, , Appelhans 2006. Allgemeine Deutsche Biographie, vol. 7, p. 497-501 1350s births 1400 deaths 14th-century Kings of the Romans Princes of Wolfenbüttel Year of birth uncertain Anti-kings Old House of Brunswick 14th-century people of the Holy Roman Empire Burials at Brunswick Cathedral