techn ically ) ▁common ers ▁too ; ▁the ▁British ▁system ▁thus ▁diff ers ▁fund ament ally ▁from ▁contin ental ▁European ▁versions , ▁where ▁entire ▁families , ▁rather ▁than ▁individuals , ▁were ▁en no bled . ▁Nob ility ▁in ▁Britain ▁is ▁based ▁on ▁title ▁rather ▁than ▁blood line , ▁and ▁corresponding ly ▁The ▁Princess ▁Royal ▁( Pr in cess ▁Anne ) ▁who ▁enjo ys ▁Royal ▁status ▁as ▁daughter ▁of ▁The ▁Queen , ▁opt ed ▁for ▁her ▁children ▁to ▁be ▁Common ers ▁by ▁ref using ▁offers ▁of ▁titles , ▁despite ▁their ▁being ▁grand children ▁of ▁the ▁S over eign ▁( q v . ▁Peter ▁Phill ips ▁and ▁Z ara ▁T ind all ). ▁ ▁C ertain ▁personal ▁privileges ▁are ▁afford ed ▁to ▁all ▁pe ers ▁and ▁peer esses , ▁but ▁the ▁main ▁distinction ▁of ▁a ▁peer age ▁now ad ays , ▁apart ▁from ▁access ▁to ▁the ▁House ▁of ▁L ords ▁for ▁life ▁pe ers ▁and ▁some ▁her edit ary ▁pe ers , ▁is ▁the ▁title ▁and ▁style ▁thereby ▁accord ed . ▁Su cc ession ▁claims ▁to ▁existing ▁her edit ary ▁peer ages ▁are ▁reg ulated ▁by ▁the ▁House ▁of ▁L ords ▁Committee ▁for ▁Priv ile ges ▁and ▁Con duct ▁and ▁admin ister ed ▁by ▁The ▁Crown ▁Office . ▁ ▁Baron age ▁evolution ▁▁ ▁The ▁modern - day ▁parliament ary ▁peer age ▁is ▁a ▁continu ation ▁of ▁the ▁renamed ▁medieval ▁baron age ▁system ▁which ▁existed ▁in ▁fe ud al ▁times . ▁The ▁requirement ▁of ▁att ending ▁Parliament ▁was ▁both ▁a ▁li ability ▁and ▁a ▁privile ge