The parish was successively the seat of two of the leading families of North Devon, the Beaumonts (to the end of the 15th century) and their heirs the Chichesters of Raleigh, Pilton, both of which families lived on the estate of Youlston within the Manor of Shirwell.
She survived her husband and married secondly her late husband's distant cousin and neighbour, Sir Arthur Chichester 8th Baronet of Youlston Park, Shirwell, immediately to the south-west of Arlington.
The earliest positively identifiable descendant of the Domesday tenant Robert de Beaumont was the 13th-century Sir Richard Beaumont, whose family had long been seated at the capital estate of Youlston within their adjacent manor of Shirwell.
He was the Rector of the Exe Valley Group of Churches from then until 1972; and after that of Shirwell with Loxhore.