Answer:
The Indo-European family is a group of related languages that are believed to descend from an hypothetical Proto-Indo-European language spoken between 5000BC and 2500BC.
Some Indo-European languages (alive) are: English, Spanish, Hindi, Russian, Armenian, German, Lituanian, Polish, Portuguese. Extint Indo-European languages could be Latin or Hittite.
Step-by-step explanation:
More information available at webpages about the Indo-European family of languages.