Dietrich von Bern, often simply referred to as Dietrich, is a legendary figure in Germanic mythology and literature, particularly associated with the epic tales of the Longobards (Lombards) and the city of Verona. His association with these elements can be traced through several key points:

1. Historical Context: Dietrich is often identified with Theoderic the Great (Theoderich der Große), a historical king of the Ostrogoths who ruled in the late 5th and early 6th centuries. Theoderic established his court in Italy, particularly in Verona, after the fall of the Western Roman Empire. This historical connection lends credibility to Dietrich's association with the city.

2. Literary Traditions: In medieval German literature, particularly in the Nibelungenlied and other epic poems, Dietrich is portrayed as a heroic figure. He is depicted as a noble warrior and a king, often involved in battles against various foes, including the Huns. His character embodies the ideals of chivalry and heroism prevalent in the literature of the time.

3. Longobard Connection: The Longobards were a Germanic people who ruled parts of Italy during the early Middle Ages. Dietrich's association with them likely stems from the blending of historical and legendary narratives, where he is sometimes depicted as a leader or a figure of importance among the Longobards. This connection is further emphasized in various sagas and tales that recount the history and exploits of the Longobards.

4. Cultural Symbolism: Dietrich represents the archetype of the noble warrior in Germanic culture, symbolizing strength, honor, and loyalty. His stories often reflect the struggles and triumphs of the Germanic tribes during their migrations and conflicts in Europe, making him a significant cultural figure in the context of the Longobards and their legacy.

In summary, Dietrich's association with Verona and the Longobards is rooted in a combination of historical figures, literary traditions, and cultural symbolism that highlight his importance in the narrative of Germanic history and mythology.