Question: What countries were ruled by the same person whose illiegitimate son became Duke of Richmond?
Sentence (from "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.
Relevant evidence: Yes