Sanadkii 1248, wuxuu guursaday Gertrud, oo ay adeer u ahayd ninkii ugu dambeeyay ee ka tirsan qoyska Babenberg, Duke Frederick II ee Austria.
Dabcan, nooc ka sii adag ee xukunka ayaa ah "1248, wuxuu guursaday Gertrud, oo ah gabadha adeer u ah ninkii ugu dambeeyay ee ka tirsan qoyska Babenberg, Duke Frederick II ee Austria wuxuuna u keenay Duchies of Austria iyo Styria dhaxal ahaan. "