The Hatfields of West Virginia were led by William Anderson `` Devil Anse '' Hatfield while the McCoys of Kentucky were under the leadership of Randolph `` Ole Ran ' l '' McCoy .

More than a century later , the feud Hostile_encounter has become Becoming synonymous with the perils of family honor , justice , and revenge , recently brought Bringing to light again by the documentary , `` Hatfields vs .

The Hatfields , led by William Anderson `` Devil Anse '' Hatfield , son of Ephraim and Nancy ( Vance ) Hatfield , lived mostly on the West Virginia side .

The majority of the Hatfields , although living in Mingo County ( then part of Logan County ) , West Virginia , fought Hostile_encounter on the Confederate side in the American Civil War ; most McCoys , living in Pike County , Kentucky , also fought Hostile_encounter for the Confederates ; with the exception of Asa Harmon McCoy , who fought for the Union .

The Hatfields were more affluent than the McCoys and were well-connected politically .