 Dennis Rolle's elder brother was Robert Rolle (died 1660) of Heanton Satchville, MP, whose wife was Lady Arabella Clinton, co-heiress to the ancient Barony of Clinton.One of their daughters was Bridget Rolle (1648-1721), who brought the Barony of Clinton to her descendants by her husband Francis Trefusis of Trefusis in Cornwall.The last of the Rolles to own Hudscott was John Rolle, 1st Baron Rolle (died 1842), who married Louisa Trefusis (1794-1885), daughter of Robert George William Trefusis, 17th Baron Clinton (1764–1797).