Which title is held by Princess Margaret's son David Armstrong Jones?
David, Viscont Linley David Linley Lord Linley David Armstrong-Jones, Viscount Linley David, Viscount Linley David Armstrong-Jones Viscount Linley
lord linley david armstrong jones viscount linley david viscont linley david linley viscount linley david viscount linley david armstrong jones
viscount linley
WikipediaEntity
Viscount Linley