Eleanor ha Llywelyn a voe dimezet (''secundum formam ecclesie'') dirak dor an iliz-veur, hervez ar c'hiz, e [[Worcester]], e Bro-Saoz, da zeiz [[Sant Edward]], e 1278; ar roue Edward a roas d'ar [[plac'h nevez]], [[keniterv]] dezhañ, hag a baeas ar banvez. BeforeA-raok thean weddingoferenn masseured wase talc'has celebrated, Edward insisted thatwar Llywelyn shouldevit putober hisdezhañ seallakaat toe ansiell adjustmentd'ur toc'hemm theen agreementemglev thato theydevoa hadpreviouslygraet madea-raok. Llywelyn had no alternative but to comply, and he later stated that he did it under duress, 'moved by the fear that can grip a steadfast man' (see ''Registrum Epistolarum Fratis Johannis Peckham Archiepiscopi Cantuariensis'', Lambeth Palace Archives).
FollowingGoude theal lid e teuas ceremony, Eleanor becameda vezañ anavezet officiallyen knownofisiel asevel '''Princess of Wales and Lady of Snowdon'''. (see Calendar of Patent Rolls, 1272-81, 306; CPR, 1281-92, 11; Calendar of Ancient Correspondence, 75-76; ''Foedera'' I, ii, 576, 584, 587).
