EntityQ7859519· pop 7· linked from 7 articlesTwthill CastleSign in to saveNorman castle in Denbighshire, Wales, UKConnectionsmotte-and-bailey castleEntityWalesEntitygeographic coordinate systemEntityWelshEntityWilliam the ConquerorPersonNormansEntityEdward I of EnglandEntityHenry II of EnglandEntitymintEntityDenbighshireEntityRhuddlan CastleEntityOwain GwyneddEntityGruffudd ap LlywelynEntityQ1807193EntityNorth WalesEntityCadwEntityNorman invasion of WalesEntityHugh d'Avranches, 1st Earl of ChesterEntityOrdnance Survey National GridEntityConquest of Wales by Edward I of EnglandEntityCategoriesCadwCastle ruins in WalesCastles in DenbighshireNorman castlesRhuddlan