Greatandsuccessfulinwarandpolicy，intouchwiththenoblestinfluencesinthelifeofthetime，Llywelynappliedhimselftoonelasttask。Hiscompanionsandallieshadnearlyalldiedbeforehim；
buthewishedthatthepeaceandunity，whichtheyhadestablished，shouldliveafterthem。Hehadtwosons——Griffith，whowasthechampionofindependence；andDavid，whowishedforpeacewithEngland。LlywelynlaidmorestressonstronggovernmentathomethanontherepudiationoffeudalallegiancetotheKingofEngland。SohepersuadedthecouncilofprincesatStrataFloridatoacceptDavidashissuccessor。
CHAPTERXI——THELASTLLYWELYN
DavidII。，amildandwell—meaningprince，wastooweaktocarryhisfather’spolicyout。Hetriedtomaintainpeace，anddidhomagetohisuncle，theKingofEngland。But，astheheadofthepatrioticparty，hismoreenergeticbrother，Griffith，opposedhim。ByguilehecaughtGriffith，andshuthiminacastleontherockofCriccieth。TheotherprincesshookofftheyokeofGwynedd，andHenryIII。triedtoplaythebrothersagainsteachother。DavidsentGriffithtoHenry，whoputhimintheTowerofLondon。Intryingtoescape，hisropebroke，andhefelltothegrounddead。Soonafterwards，in1246，inthemiddleofawarwithHenry，Daviddiedofabrokenheart。
ThesonsofGriffith——Owen，Llywelyn，andDavid——atoncetooktheiruncle’splace；andby1255LlywelynapGriffithwassoleruler。BythatyearHenryIII。hadgivenhisyoungsonEdwardtheearldomofChester，whichhadfallentothecrown，andthelandsbetweentheDeeandtheConway，whichheclaimedbyatreatywiththedeadGriffith。