et age ▁of ▁England ▁on ▁ 4 ▁March ▁ 1 6 4 2 . ▁The ▁latter ▁was ▁succeeded ▁by ▁his ▁grand son , ▁the ▁second ▁Baron et . ▁He ▁represented ▁H ert ford ▁in ▁Parliament . ▁He ▁was ▁succeeded ▁by ▁his ▁el dest ▁son , ▁the ▁a for ement ioned ▁William ▁Cow per , ▁the ▁third ▁Baron et , ▁who ▁was ▁elev ated ▁to ▁the ▁peer age ▁as ▁Baron ▁Cow per ▁in ▁ 1 7 0 6 ▁and ▁made ▁Earl ▁Cow per ▁in ▁ 1 7 1 8 . ▁In ▁ 1 7 0 6 ▁Lord ▁Cow per ▁married ▁as ▁his ▁second ▁wife ▁Mary ▁Cla ver ing , ▁daughter ▁of ▁John ▁Cla ver ing , ▁of ▁Ch op well , ▁County ▁Dur ham . ▁ ▁Lord ▁Cow per ▁was ▁succeeded ▁by ▁his ▁son , ▁the ▁second ▁Earl . ▁He ▁assumed ▁the ▁additional ▁surname ▁of ▁Cla ver ing . ▁Cow per ▁married ▁Lady ▁Henri etta , ▁younger ▁daughter ▁of ▁Henry ▁de ▁N ass au ▁d ' A u ver quer que , ▁ 1 st ▁Earl ▁of ▁Gran th am , ▁a ▁relative ▁of ▁the ▁Dutch ▁House ▁of ▁Orange - N ass au , ▁and ▁a ▁count ▁of ▁the ▁Holy ▁Roman ▁Empire . ▁On ▁the ▁death ▁of ▁Lady ▁Cow per ' s ▁elder ▁sister , ▁Lady ▁Frances ▁Elli ot , ▁in ▁ 1 7 7 2 , ▁the ▁second ▁Earl ' s ▁son , ▁the ▁third ▁Earl ▁became ▁Lord ▁Gran th am ' s ▁he ir ▁general , ▁and ▁on ▁ 3 1 ▁January