Elena di Brunswick-Lüneburg'la kim evlendi?

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.

Hermann II (28 March 1222 in Creuzburg – 3 January 1241) was the Landgrave of Thuringia and the son of Louis IV, Landgrave of Thuringia, and Saint Elizabeth of Hungary.

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.