Encyclopedia Realmgardica: King Fulmen

Chased down and grievously wounded on the banks of the Creusa River, Fulmen is said to have been rescued and nursed back to health by the namesake goddess of the river.

Encyclopedia Realmgardica: The Foundation of the League of Creusa

At this early stage, the seven initial Elven settlements entered into a loose confederation known as the League of Creusa after the river that connected the seven settlements. In practice, each of the seven was independent of the others, though each was sworn to the other six to assist in case of invasion from any of the neighbouring city-states that pre-dated the arrival of the Elves.

Encyclopedia Realmgardica: The Flight of the Elves

It is widely said that the history of Realmgard actually begins in the eastern island realm of Archipelago, the ancient homeland of the Elves who laid the foundations of the Elven Empire.