From this point on, the great families, like the Athen, fade into view to be replaced by the Repubbliche Marinare of northern Italy (Genoa and Pisa) in the power politics of Logudoro.
Later, northern Italy developed its own trade empires based on Pisa and especially the powerful Republic of Genoa, that rivaled with Venice (these three, along with Amalfi, were to be called the Repubbliche marinare, i.e. Sea Republics).