 Bishop Pietro Francesco Costa doubled the number of free places in the seminary, and increased the number of teachers.The seminary was ruined by the revolutionary wars of the Genoese and the French, but was restored through the care of Bishop Cordiviola.The Collegiate Church of S. Siro in San Remo, administered by a college of Canons, had once belonged to the diocese of Albenga, but it was handed over to the diocese of Ventimiglia.