caption serviceyears branch commands death_place death_date birth_place allegiance placeofburial_label battles birth_date rank image article_title name
major brady general joseph k. mansfield , photograph by mathew 1822 & ndash ; 62 union army union army department of washington xii corps sharpsburg , maryland 18 september 1862 new haven , connecticut united states of america union place of burial mexican-american war 22 december 1803 35px major general gen. cropped.jpg joseph k. f. mansfield - nara - 528442 joseph k. mansfield
 joseph k. mansfield
joseph k. mansfield

joseph king fenno mansfield -lrb- december 22 , 1803 -- september 18 , 1862 -rrb- was a career united states army officer , civil engineer , and a union general in the american civil war , mortally wounded at the battle of antietam .
