...educated in the military academy at West Point. The first named was a brother of J. Knox and Samuel Walker, bankers and business men of Memphis, Tenn. J. Knox Walker had been private secretary of James K. Polk , his uncle, when President of the United States. Marmaduke was the son of a former governor of Missouri. He forever sincerely deplored the unhappy altercation. To a gentleman with whom, as a me...