▁grow ▁so ▁ent w ined ▁that ▁both ▁will ▁die ▁if ▁they ▁are ▁separated . ▁Marie ▁says ▁the ▁original ▁author ▁of ▁the ▁la i ▁was ▁none ▁other ▁than ▁Tr istan , ▁an ▁accomplished ▁b ard ▁who ▁put ▁his ▁thoughts ▁into ▁a ▁song ▁at ▁I se ult ' s ▁request . ▁According ▁to ▁Marie , ▁" Che v ref o il " ▁is ▁the ▁French ▁name ▁for ▁the ▁poem ; ▁it ▁is ▁called ▁" G ote lef " ▁( Go at leaf ) ▁in ▁English . ▁ ▁All us ions ▁and ▁significance ▁Similar ▁episodes ▁to ▁that ▁rec ount ed ▁in ▁" Che v ref o il " ▁appear ▁in ▁longer ▁Tr istan ▁po ems ; ▁it ▁is ▁feas ible ▁that ▁Marie ▁drew ▁her ▁material ▁from ▁a ▁longer ▁source . ▁Though ▁there ▁are ▁several ▁all us ions ▁to ▁the ▁greater ▁Tr istan ▁and ▁I se ult ▁cycle , ▁such ▁as ▁T int ag el ▁and ▁the ▁character ▁Br ang aine , ▁Marie ▁is ▁unique ▁in ▁placing ▁Tr istan ' s ▁hom eland ▁in ▁South ▁Wales , ▁rather ▁than ▁Corn wall ▁or ▁the ▁fict it ious ▁Ly ones se . ▁A ▁test ament ▁to ▁Marie ' s ▁popular ity ▁appears ▁in ▁Ger bert ' s ▁Cont inu ation ▁to ▁Chr ét ien ▁de ▁Tro yes ' s ▁un fin ished ▁rom ance ▁Per ce val , ▁the ▁Story ▁of ▁the ▁Gra il , ▁which ▁contains ▁an ▁episode ▁in ▁which ▁a ▁dis gu ised ▁Tr istan ▁plays ▁the ▁lay ▁of ▁" Che v ref o il " ▁to