▁September ▁ 1 9 7 9 ). ▁He ▁was ▁the ▁son ▁of ▁George ▁Charles ▁W ent worth - F itz will iam , ▁son ▁of ▁the ▁Hon . ▁George ▁W ent worth - F itz Will iam , ▁MP , ▁third ▁son ▁of ▁the ▁fifth ▁Earl . ▁He ▁and ▁his ▁wife ▁had ▁no ▁children . ▁ ▁After ▁ext inction ▁On ▁the ▁death ▁of ▁the ▁t enth ▁Earl , ▁all ▁the ▁titles ▁became ▁ext inct . ▁The ▁family ▁seat ▁of ▁W ent worth ▁Wood house ▁was ▁sold ▁while ▁the ▁more ▁than ▁ 8 0 , 0 0 0 ▁a cre ▁( 3 2 0   km ² ) ▁estate ▁including ▁much ▁of ▁the ▁town ▁of ▁Mal ton , ▁North ▁York shire , ▁was ▁retained . ▁The ▁other ▁family ▁seat , ▁Mil ton ▁Hall , ▁and ▁its ▁considerable ▁estate ▁of ▁over ▁ 5 0 , 0 0 0 ▁acres ▁( 2 0 0   km ² ) ▁together ▁with ▁valuable ▁properties ▁in ▁Peter borough ▁and ▁the ▁surrounding ▁area ▁continue ▁by ▁descent ▁in ▁the ▁family . ▁ ▁The ▁Bour ne ▁Park ▁Est ate , ▁near ▁Can ter bury , ▁Kent , ▁England , ▁remains ▁in ▁the ▁ownership ▁of ▁Lady ▁Jul iet ▁T ad g ell , ▁n ée ▁W ent worth - F itz will iam , ▁only ▁child ▁of ▁the ▁ 8 th ▁Earl ▁by ▁his ▁wife ▁the ▁former ▁O live ▁Dor othe a ▁Pl unk et . ▁ ▁List ▁of ▁the ▁Bar ons ▁Fitz will iam ▁( 1 6 2 0 ) ▁William ▁Fitz