▁town ▁of ▁Ber keley , ▁Gl ouc esters hire , ▁UK ▁( ). ▁The ▁castle ' s ▁orig ins ▁date ▁back ▁to ▁the ▁ 1 1 th   century , ▁and ▁it ▁has ▁been ▁designated ▁by ▁English ▁Heritage ▁as ▁a ▁grade   I ▁listed ▁building . ▁ ▁The ▁castle ▁has ▁remained ▁within ▁the ▁Ber keley ▁family ▁since ▁they ▁re construct ed ▁it ▁in ▁the ▁ 1 2 th   century , ▁except ▁for ▁a ▁period ▁of ▁royal ▁ownership ▁by ▁the ▁T ud ors . ▁It ▁is ▁tradition ally ▁believed ▁to ▁have ▁been ▁the ▁scene ▁of ▁the ▁murder ▁of ▁King ▁Edward ▁II ▁in ▁ 1 3 2 7 . ▁ ▁In ▁ 1 9 5 6 ▁Ber keley ▁Castle ▁was ▁opened ▁to ▁visitors ▁and ▁remains ▁open ▁today . ▁ ▁Const ruction ▁ ▁The ▁first ▁castle ▁at ▁Ber keley ▁was ▁a ▁mot te - and - ba iley , ▁built ▁around ▁ 1 0 6 7 ▁by ▁William ▁Fitz Os bern ▁shortly ▁after ▁the ▁Con quest . ▁This ▁was ▁subsequently ▁held ▁by ▁three ▁gener ations ▁of ▁the ▁first ▁Ber keley ▁family , ▁all ▁called ▁Roger ▁de ▁Ber keley , ▁and ▁re built ▁by ▁them ▁in ▁the ▁first ▁half ▁of ▁the ▁ 1 2 th   century . ▁The ▁last ▁Roger ▁de ▁Ber keley ▁was ▁dispos s essed ▁in ▁ 1 1 5 2 ▁for ▁with hold ing ▁his ▁alleg iance ▁from ▁the ▁House ▁of ▁Plant agen et ▁during ▁the ▁conflict ▁of ▁The ▁An archy , ▁and ▁the ▁fe ud al ▁bar ony ▁of ▁Ber keley