sentences:  He entered in the Royal Navy in 1831, served during the First Opium War with China (1839–42), The campaign was vaguely given in this work as "the Chinese War", but has been ascertained to be the First War because the second broke out in the year he retired from the active list in 1856 as captain.He was subsequently promoted rear admiral in 1869, and admiral in 1880 on the retired list.In 1877 he succeeded his elder brother in the marquessate and entered the House of Lords.