Kammala jumla mai zuwa: Richard ba shi da alhakin mutuwar mijinta na farko, Edward na Westminster (dan Henry VI), ko kuma mahaifinta, Earl na Warwick (kuma a cikin "Henry VI, Part 3" ba a nuna Richard a matsayin wanda ke da alhakin mutuwar Warwick ba). An kashe Edward na Westminster da Warwick a yakin Tewkesbury da
Barnet, bi da bi. Richard, sa'an nan goma sha takwas, ya shiga cikin duka yaƙe-yaƙe, amma babu wani rikodin zamani da ya nuna cewa yana da hannu kai tsaye a kowane mutuwar. Tushen Shakespeare ba ya gano Richard a matsayin wanda ke da hannu a mutuwar Henry VI, wanda aka kashe shi a kan umarnin Edward IV. Richard da matarsa, Anne Neville, sun san juna na dogon lokaci kafin su yi aure, sun shafe yawancin ƙuruciyarsu a cikin gida ɗaya. Ba za a ga gwauruwa na Henry VI, Sarauniya Margaret, a kotu ba a lokacin da wannan wasan ya rufe; ta zama fursuna na Edward IV kuma ta koma Faransa a 1475. Babban ɗan'uwan Richard, Clarence (George, Duke na Clarence), Edward IV ya kashe shi saboda cin amana a 1478, lokacin da Richard yake Arewacin Ingila, inda ya ci gaba da rayuwa har sai Edward IV ya mutu shekaru biyar bayan haka.