Athens - Sparta

Athens -                    Sparta
Athenians                 Lacaedaemonians
Ionic                           Doric
Pelasgian                 Hellene
"...The most significant among Hellenes are Athenians and Lacaedemonians. The first come from Ionic tribe, the second - from Doric tribe. And, Ionians are of Pelasgian origin, and Dorians - of Hellenic." (I, 56.)
This message belongs to Herodot, who wrote his "Historia" in the 5th century B.C. http://my.opera.com/ancientmacedonia/blog/2007/07/27/jazikot-na-pelazgite-pelasgian-langua