Gundahari, king of the Burgundians, slain in a terrible battle with the Huns in the fifth century which saw the downfall of the Burgundian kingdom, is the historical protype of the legendary Norse hero _____________________________ . The historical bride of Attila the Hun, present at Attila’s sudden and unexpected death, provided in turn the historical prototype of this hero’s sister, named _____________________________ .

To find the answer to this question, we need to examine historical and mythological sources. The historical figure Gundahari, the king of the Burgundians, provides the basis for the legendary Norse hero. The downfall of the Burgundian kingdom in a battle with the Huns in the fifth century is the context for this connection.

Next, we look for the historical bride of Attila the Hun, who was present at his sudden and unexpected death. This bride, in turn, serves as the inspiration for the sister of the Norse hero.

To delve deeper into these historical connections, consulting historical records, primary sources, and scholarly works on the subject can be helpful. Additionally, exploring Norse mythology and references to legendary heroes can assist in identifying the specific mythological counterpart for Gundahari and the sister of Attila's bride.

It is worth noting that while historical figures can sometimes serve as the basis for legendary heroes, the connection between specific individuals and mythological characters might differ across different sources and interpretations. Therefore, cross-referencing multiple reputable sources and exploring various perspectives is important for a comprehensive understanding.