▁Dor set , ▁and ▁Som erset . ▁The ▁vast ▁properties , ▁lands , ▁and ▁hold ings ▁effectively ▁solid ified ▁the ▁Ash ley - Co op ers ▁as ▁one ▁of ▁the ▁wealth iest ▁families ▁in ▁England . ▁ ▁Sir ▁John ▁Cooper , ▁ 1 st ▁Baron et ▁of ▁Rock bourne ▁▁ ▁Sir ▁John ▁Cooper ▁was ▁created ▁ 1 st ▁Baron et ▁of ▁Rock bourne ▁on ▁ 4 ▁July ▁ 1 6 2 2 , ▁the ▁day ▁after ▁Sir ▁Anthony ▁Ash ley ▁was ▁created ▁ 1 st ▁Baron et ▁of ▁W im bor ne ▁St ▁G iles . ▁He ▁sat ▁in ▁the ▁House ▁of ▁Commons ▁as ▁a ▁Member ▁of ▁Parliament ▁for ▁Po ole , ▁in ▁the ▁first ▁and ▁third ▁parliament s ▁of ▁King ▁Charles   I , ▁ 1 6 2 5 ▁and ▁ 1 6 2 8 . ▁He ▁was ▁the ▁son ▁of ▁Sir ▁John ▁Cooper ▁Sr ▁( 1 5 5 2 – 1 6 1 0 ) ▁and ▁Margaret ▁Sk utt . ▁▁ ▁As ▁a ▁condition ▁of ▁Sir ▁John ' s ▁marriage ▁to ▁Anne , ▁Sir ▁Anthony ▁Ash ley ▁required ▁that ▁John ▁Cooper ' s ▁he ir ▁use ▁the ▁surname ▁of ▁Ash ley - Co oper . ▁Furthermore , ▁he ▁required ▁that ▁if ▁an ▁Ash ley - Co oper ▁male ▁ever ▁achieved ▁nob ility , ▁the ▁title ▁should ▁carry ▁the ▁name ▁of ▁Ash ley . ▁In ▁turn , ▁by ▁her ▁marriage ▁to ▁John , ▁Anne ▁Ash ley ▁transferred ▁the ▁legal ▁right ▁of ▁ownership ▁of ▁the ▁Ash ley ▁estate ▁at ▁W im bor ne