William Henry Wood Murray, a Scottish actor, manager and theatre owner in Edinburgh, was a friend of Walter Scott and particularly associated with dramatisations of Scott's Waverley Novels.
Rob Roy is an 1817 historical novel by Walter Scott, one of the Waverley novels. It is probably set in 1715, the year of the first Jacobite rising, and the social and economic background to that event
William Henry Murray
…in the family and friendship with William Henry Murray. 10 June 1818 saw the first performance of Murray's operatic adaption of Walter Scott's novel Rob Roy. It was titled "Rob Roy MacGregor". When Scott was preparing for the visit of King George IV to Scotland in 1822 he was quick to draw on Murray's…
Title page of 1st edition
Diana Vernon, painted by John Everett Millais (1880)