Ottaviano Nelli (1375–1444?) Ottaviano Nelli (1375–1444?), Italian early Renaissance painter, stands as a pivotal figure in Umbrian art history. Born around 1370 in Gubbio, he emerged from a lineage of artists—his father Martino Nelli and grandfather Mello da Gubbio—establishing him firmly within the artistic traditions of his region. While definitive biographical details remain elusive, scholarly research suggests connections to Mell…