Question: Who was the father of the artist from a town and "comune" of Italy in the Province of Perugia in the Umbria region who learned to paint in the workshop of Cesare Nebbia, primarily moving between Orvieto and Rome ?
Sentence (from "Assisi"): Assisi (] , from the Latin: "Asisium" ) is a town and "comune" of Italy in the Province of Perugia in the Umbria region, on the western flank of Monte Subasio.
Relevant evidence: Yes