This deeply worried Charles V , who made a pilgrimage and offered many prayers for her recovery .
Queen Joanna was described as mentally fragile , and after the birth of her son Louis in 1372 , she suffered a complete mental breakdown .
This deeply worried Charles V , who made a pilgrimage and offered many prayers for Joanna 's recovery .
Queen Joanna was described as mentally fragile , and after the birth of her son Louis in 1372 , she suffered a complete mental breakdown .