Ignatius Donnelly
Corroborating Circumstances
Plato tells us that the dominion of Gadeirus, one of the kings of Atlantis, extended "toward the pillars of Heracles (Hercules) as far as the country which is still called the region of Gades in that part of the world." Gades is the Cadiz of today, and the dominion of Gadeirus embraced the land of the Iberians or Basques, their chief city taking its name from a king of Atlantis, and they themselves being Atlanteans.
Plato
12 Kings of Atlantis
Gadeirus (Eumelus in Greek) - The twin brother of Atlas, Gadeirus ruled the region adjacent to Atlas.
Atlantis
Poseidon
Eumelus (Gadeirus in some translations)
Ignatius Donnelly
American Evidences of Intercourse with Europe or Atlantis
Plato's account of Gadeirus, ruling a region extending to what is now Spain, implies that the Basques could be descendants of Atlanteans.