adjoining Merton on the south. Mark Rolle was the largest private landowner in Devon, according to the Return of Owners of Land, 1873, being the beneficial owner under the trustees of Lord Rolle's will of over 55,000 acres. The 19th Lord Clinton was lord of the manor of Merton in 1850, having inherited it with other estates from the Rolle family of Heanton Satchville, Petrockstowe, and his grandson (Mark Rolle's nephew) Charles John Robert Hepburn-Stuart-Forbes-Trefusis, 21st Baron Clinton (1863–1957) was Mark Rolle's heir and in 1947 leased his principal seat of Bicton for use as the Bicton College of Agriculture, and in 1952 Great Potheridge was being used as part of the campus buildings of Bicton College, situated some 40 miles south-east of Potheridge near the south coast of Devon. In 1968 the tenant of Clinton Devon Estates at Potheridge was Mr C.W. Lewis, a breeder of Devon cattle who farmed 500 acres. Further reading Delderfield, Eric R., West Country Historic Houses and their Families, Newton Abbot, 1968, pp. 68–70, Great Potheridge Gallery References 1660 establishments in England Houses completed in 1660 Former manors in Devon George Monck, 1st Duke of Albemarle