Latgalian language
Originally Latgalians were a tribe living in modern Vidzeme and Latgale. It is thought that they spoke the Latvian language, which later spread through the rest of modern Latvia, absorbing features of the Old Curonian, Semigallian, Selonian and Livonian languages. The Latgale area became politically separated during the Polish–Swedish wars, remaining part of the Polish–Lithuanian Commonwealth as the Inflanty Voivodeship, while the rest of Latvians lived in lands dominated by Baltic German nobility. Both centuries of separate development and the influence of different prestige languages likely contributed to the development of modern Latgalian as distinct from the language spoken in Vidzeme and other parts of Latvia.
Livonians
Today, many Latvians claim to have some Livonian ancestry. However, there are only 176 people in Latvia who identify themselves as Livonian. According to data from 1995, the Livonian language was spoken by no more than 30 people, of whom only nine were native speakers. An article published by the Foundation for Endangered Languages in 2007 stated that there were only 182 registered Livonians and a mere six native speakers. "The last Livonian", who had learned the Livonian language as a part of an unbroken chain of Livonian generations, was Viktor Berthold (b. 1921). He was buried on 28 February 2009 in the Livonian village of Kolka in Courland.