Giorgio Vasari, Lives of the Most Excellent Painters… (1850)
“ When the Duke Federigo died, Giulio Romano, who had been much favoured by that prince, nay, beloved by him more than words could express, was so deeply grieved that he would have left Mantua, if the Cardinal, the brother of the Duke, on whom the government of the state had devolved, because his children were very young, had not retained him in that city; persuading him to abide where he had a wife and children, and possessed houses and villas, with every other means of enjoyment that needs to be demanded by the richest nobleman. ”
