What title is the husband of Philippa Charlotte Middleton heir to?
James Matthews (racing driver) James Spencer Matthews (born 21 August 1975) is a British former professional racing driver, hedge fund manager, and heir to the Scottish courtesy title of Laird of Glen Affric. In 2017, he married Philippa Middleton, younger sister of Catherine, Duchess of Cambridge.
Ralph Percy, 12th Duke of Northumberland Ralph George Algernon Percy, 12th Duke of Northumberland, {'1': ", '2': ", '3': ", '4': "} (born 16 November 1956), styled Lord Ralph Percy until 1995, is an English aristocrat, hereditary peer and largely rural landowner.