Which lunettes were painted first ?
After assisting Perugino in his frescoes in the Sistine Chapel , Pinturicchio was employed by various members of the Della Rovere family to decorate the Semi-Gods Ceiling of Palazzo dei Penitenzieri and also a series of chapels in the church of Santa Maria del Popolo , where he appears to have worked from 1484 , or earlier , to 1492 .