The ancient tribes of the Couronians, Semigallians, Selonians, Livs, and northern Latgallians assimilated to form the Latvian people, speaking one Latvian language.
Fiset e lashta te Kuroneve, Semigalianeve, Seloneve, Liveve dhe Latgaleve veriore u asimiluan per te formuar popullsine letoneze, qe fliste nje gjuhe te njesuar, ate letoneze.