Founder of the House of Henneberg

Poppo I of Henneberg was a significant German count from the influential House of Henneberg, a major comital house in Franconia. He was active in the 11th century, known for his powerful family's control over lands in Franconia and his association with the imperial court, often identifying him as a Burggraf (burgrave) of Würzburg, a powerful role. He was a key figure in the medieval German nobility, linking to powerful families like the Popponids (Babenbergs) and holding influence in regions like Thuringia.

His family held vast territories, and he was important during the reigns of powerful emperors like Conrad II, controlling monasteries and asserting comital authority.

The name "Poppo" was common in the Henneberg line, leading to several figures (Poppo I, Poppo III, Poppo VI, etc.), making precise identification complex. He represents the early consolidation of power for the Henneberg counts, a family that later became a princely county.