 After the assassination of her husband by the Dominican Jacques Clément on 1 August 1589, Louise fell into a state of permanent depression and began to dress in white, the traditional mourning colour of French queens, being nicknamed the "White Queen".As a dower land, she received the Duchy of Berry during her lifetime.She was working to rehabilitate the memory of her husband, who had been excommunicated after the assassination of the Cardinal of Guise.