When was the deposition of the father of Charles Lennox Duke of Richmond?
Duke of Richmond and Lennox:  In 1675, King Charles II created his illegitimate son Charles Lennox Duke of Richmond (created on 9 August 1675) and Duke of Lennox (created on 9 September 1675), and the two Dukedoms have since been held concurrently by Lennox's descendants.
i don't know