Rubuta ci gaba don wannan sakin layi - Layin Beauchamp Earls ya ƙare a 1449 lokacin da Anne de Beauchamp, 15th Countess of Warwick, ya mutu. Richard Neville, "Kingmaker", ya zama Earl na Warwick na gaba ta hanyar gadon matarsa. A lokacin rani na 1469, Neville ya yi tawaye ga Sarki Edward na huɗu na Ingila kuma ya ɗaure shi a Warwick Castle. Neville ya yi ƙoƙarin yin mulki da sunan Sarki; duk da haka, zanga-zangar da magoya bayan Sarki suka yi ta tilasta Earl ya saki Sarki. An kashe Neville daga baya a yakin Barnet
, yaƙi da Sarki a 1471 a lokacin Wars na Roses. Daga nan sai Warwick Castle ya wuce daga Neville zuwa surukinsa, George Plantagenet, 1st Duke na Clarence (ɗan'uwan Sarki Edward IV). An kashe George Plantagenet a cikin 1478, kuma ƙasashensa sun wuce zuwa ga ɗansa, Edward Plantagenet, 17th Earl of Warwick; duk da haka, Edward Plantagenet yana da shekaru biyu kawai lokacin da mahaifinsa ya mutu, don haka an ɗauki ƙasashensa a cikin kulawar The Crown. An sanya shi a ƙarƙashin mai ba da izini, don haka ba zai iya gaji kursiyin ba, ta Sarki Henry VII na Ingila, wanda Sarki ya riƙe shi har tsawon shekaru goma sha huɗu a Hasumiyar London har sai da aka kashe shi saboda cin amanar ƙasa a cikin 1499, wanda ake zargin ya yi makirci don tserewa tare da'mai da'awar' Perkin Warbeck. Edward shi ne Earl na karshe na Warwick na farko da aka kirkiro.