 The most famous after the first (Matsudaira Naomasa) is the seventh, Matsudaira Harusato, more commonly referred to as Lord Fumai (不昧公).He revolutionized the administrative system of the Matsue clan which was in financial difficulties and put it back on its feet.He invested in Mulberry bushes and promoted special foods like clams that were a delicacy in Matsue.