Archduke Karl Albrecht of Austria Austrian archduke (1888-1951) (1888–1951) Parents Archduchess Maria Theresa of Austria Archduke Charles Stephen of Austria Children Maria Krystyna Altenburg Renate Maria Habsburg Prinzessin von Altenburg Karl-Albrecht Habsburg Karol Stefan Altenburg Siblings Archduke Leo Karl of Austria Archduchess Eleonora of Austria Archduchess Renata of Austria Archduchess Mechthildis of Austria Archduke Wilhelm of Austria Partners Alice Habsburg