Kammala jumla mai zuwa: Ta hanyar wadatar aure da gado, Warwick ya bayyana a cikin 1450s a tsakiyar siyasar Ingila. Da farko, ya kasance mai goyon bayan Sarki Henry VI; duk da haka, takaddama ta ƙasa tare da Edmund Beaufort, Duke na Somerset, ya sa ya yi aiki tare da Richard, Duke na York, wajen adawa da sarki. Daga wannan rikici, ya sami matsayi mai mahimmanci na Kyaftin na Calais, matsayi wanda ya amfane shi sosai a cikin shekaru masu zuwa. Rikicin siyasa daga baya ya zama babban tawaye, inda aka kashe York a yaƙi, kamar yadda aka kashe Salisbury mahaifin Warwick. York ta dan, duk da haka, daga baya nasara da Warwick ta taimako, kuma aka naɗa Sarki Edward IV. Da farko Edward ya yi mulki tare da goyon bayan Warwick, amma daga baya sun fadi a kan manufofin kasashen waje da kuma zaɓin sarki na auren Elizabeth Woodville. Bayan wani makircin da ya kasa cin nasara don yaɗa ɗan'uwan Edward, George, Duke na Clarence, Warwick maimakon haka ya mayar da Henry VI zuwa kursiyin. Nasarar ba ta daɗe ba, duk da haka: a ranar 14 ga Afrilu, 1471, Edward ya ci Warwick da nasara a
Yaƙin Barnet, kuma aka kashe shi.