How would we have known? You travel. Your local guide tells you facts you had never considered. Being fat was a sign of wealth. And the wealthy also traveled to the “continent” for their portrait to be commissioned to a famous painter (of the time). In this instance, the lord was young and not yet corpulent. So, the painter painted up his hands and face. And then, the lord paged through a catalog and picked out a body to be painted and matched. Voila! Fat and rich! Who’d have thunk…?