Complex sentence: He was among the last painters who reflected the Sienese School of (Quattrocento)-Renaissance influence first studied painting under his father Arcangelo Salimbeni in his native Siena, and then moved to Rome in 1588 to work on the fresco painting of the Vatican Library.
Split into simpler sentences: He was among the last painters who reflected the influence of the Sienese School of Quattrocento-Renaissance. He studied painting under his father Arcangelo Salimbeni in his native Siena, and then moved to Rome in 1588 to work on the fresco painting of the Vatican Library.