Complex sentence: He enrolled in the Florentine Accademia delle Arti del Disegno in 1576, and was a pupil of Santi di Tito, then of the Flemish painter Joannes Stradanus.
Split into simpler sentences: He enrolled in the Florentine Accademia delle Arti del Disegno in 1576. He was a pupil of Santi di Tito, then of the Flemish painter Joannes Stradanus.