translate English to French: In 1515 it exerted regency during the countryside of Italy, but it was especially after Pavia, during the captivity of her son, whom it revealed his qualities of regent, by organizing a league against Austria.
En 1515 elle exerça la régence pendant la campagne d´Italie, mais ce fut surtout après Pavie, pendant la captivité de son fils, qu´elle révéla ses qualités de régente, en organisant une ligue contre l´Autriche.