 Although officially Cirebon still an independent and sovereign state, in practice Cirebon was fell within mighty Mataram's sphere of influence, behaves not just as an ally, but more likely as a vassal.The Mataram rule upon Priangan inlands has exposed Sundanese people to Javanese cultures.When Panembahan Ratu died in 1649 he was succeeded by his grandson, Panembahan Girilaya.