▁these ▁areas , ▁these ▁titles ▁afford ▁rights ▁en comp ass ing ▁the ▁whole ▁territorial ▁design ation ▁of ▁the ▁holder , ▁don ated ▁by ▁the ▁holder ▁now ▁to ▁registered ▁char ities . ▁Se par ate ▁est ates , ▁smaller ▁than ▁count ies , ▁form ▁the ▁bulk ▁of ▁the ▁two ▁duch ies . ▁ ▁Types ▁of ▁pe ers ▁ ▁Her edit ary ▁pe ers ▁▁ ▁An ▁her edit ary ▁peer ▁is ▁a ▁peer ▁of ▁the ▁real m ▁whose ▁dign ity ▁may ▁be ▁inherited ; ▁those ▁able ▁to ▁inherit ▁it ▁are ▁said ▁to ▁be ▁" in ▁remainder ". ▁Her edit ary ▁peer age ▁dign ities ▁may ▁be ▁created ▁with ▁writ s ▁of ▁summ ons ▁or ▁by ▁letters ▁pat ent ; ▁the ▁former ▁method ▁is ▁now ▁ob sole te . ▁Writ s ▁of ▁summ ons ▁sum mon ▁an ▁individual ▁to ▁Parliament , ▁in ▁the ▁old ▁fe ud al ▁tradition , ▁and ▁merely ▁imp lied ▁the ▁existence ▁or ▁creation ▁of ▁an ▁her edit ary ▁peer age ▁dign ity , ▁which ▁is ▁automatically ▁inherited , ▁pres umably ▁according ▁to ▁the ▁traditional ▁medieval ▁rules ▁( male - pre ference ▁prim ogen iture , ▁like ▁the ▁succession ▁of ▁the ▁British ▁crown ▁until ▁ 2 0 1 1 ). ▁Let ters ▁pat ent ▁explicitly ▁create ▁a ▁dign ity ▁and ▁specify ▁its ▁course ▁of ▁inheritance ▁( us ually ▁ag n atic ▁succession , ▁like ▁the ▁Sal ic ▁Law ). ▁Some ▁her edit ary ▁titles ▁can ▁pass ▁through ▁and ▁vest ▁in ▁female ▁he irs ▁in ▁a ▁system ▁called ▁cop arc en ary . ▁