sentences:  Adamson, son of Lieutenant Cuthbert Adamson, R. N., and his second wife Mary, was born on 13 September 1787 at his father's house in Gateshead.He was educated at Newcastle Grammar School, and in 1803 went to Lisbon, to work in the office of his elder brother Blythman, a merchant in the city.He left Portugal for England in 1807, when a French invasion threatened.