The denunciations of Poppo of Treffen, the Patriarch of Aquileia, incited the Venetians to expel Otto and the patriarch of Grado from Venice, whence they took refuge in Istria from 1022 to 1023.
Wave-Gotik-Treffen | Poppo | Poppo von Osterna | Poppo (Archbishop of Trier) | Ernst Friedrich Poppo | Poppo of Treffen | Poppo of Stavelot | Poppo, Duke of Thuringia |