Ко се венчао Albert I, Duke of Saxony?

Albert I (German: Albrecht I; c. 1175 – 7 October 1260) was a Duke of Saxony, Angria, and Westphalia; Lord of Nordalbingia; Count of Anhalt; and Prince-elector and Archmarshal of the Holy Roman Empire. Even though his grandfather Albert the Bear had held the Saxon dukedom between 1138 and 1142, this Albert is counted as the first.

Elena di Brunswick-Lüneburg (18 marzo 1223 – 6 settembre 1273) fu una principessa del Brunswick-Lüneburg e per matrimonio divenne duchessa di Sassonia e langravia di Turingia.