 He also secured (against a rival grant to the Earl of Carlingford), recognition of his title to the foreshore (land between low-water and high-water) of the manor of St.Bees, containing 'houses lands staythes & salt pans at Whitehaven' valued at £400 a year.He oversaw the rise of Whitehaven from a small fishing village (at his birth it consisted of some fifty houses and a population of about 250) to a planned town three times the size of Carlisle.