You asked:

who are the parents of george i of great britain

  • George I of Great Britain's parents are Sophia of Hanover, Ernest Augustus, Elector of Brunswick-Lüneburg and Ernest Augustus.
  • Sophia of Hanover
    Sophia of Hanover
    Sophia of Hanover

  • Ernest Augustus, Elector of Brunswick-Lüneburg
    Ernest Augustus, Elector of Brunswick-Lüneburg
    Ernest Augustus, Elector of Brunswick-Lüneburg

  • Ernest Augustus