I of Germany (July 1255 – 1 May 1308), Duke of Austria and also of Styria Catherine (1256 – 4 April 1282, Landshut), married 1279 in Vienna to Duke Otto III of Bavaria Agnes [Gertrude] (ca. 1257 – 11 October 1322, Wittenberg), married 1273 to Duke Albert II of Saxony and became the mother of Duke Rudolf I of Saxe-Wittenberg Hedwig (c. 1259 – 26 January 1285/27 October 1286), married 1270 in Vienna to Margrave Otto VI of Brandenburg-Salzwedel and left no issue Clementia (c. 1262 – after 7 February 1293), married 1281 in Vienna to Charles Martel of Anjou, the papal claimant to the throne of Hungary Hartmann (1263, Rheinfelden – 21 December 1281), drowned in Rheinau Rudolf II, Duke of Austria and Styria (1270 – 10 May 1290, Prague), titular Duke of Swabia, father of John the Parricide of Austria Judith (13 March 1271 – 18 June 1297, Prague), married 24 January 1285 to King Wenceslaus II of Bohemia and became the mother of King Wenceslaus III of Bohemia, Poland and Hungary Samson (before 19 Oct 1275 – died young) Charles (14 February 1276 – 16 August 1276) See also Kings of Germany family tree References Citations Bibliography External links Encyclopedia of Austria 1218 births 1291 deaths 13th-century dukes of Austria 13th-century Kings of the Romans German monarchs People temporarily excommunicated by the Catholic Church Christians of the Prussian Crusade Rudolf 1 Rudolf 1 Austrian expatriates in Germany People from the Duchy of Swabia Burials at Speyer Cathedral 1270s in the Holy Roman Empire 1280s in the Holy Roman Empire 13th-century House of Habsburg Swabian nobility