Question: Who is the mother-in-law of Charles Somerset, 4Th Duke Of Beaufort?
Sentence (from "Charles Somerset, 4th Duke of Beaufort"): In September 1750, Beaufort and Lord Westmorland jointly presided at a meeting of English Jacobites held during Charles Stuart's secret visit to London in September 1750, which effectively signalled the last flicker of the Jacobite movement.
Relevant evidence: No