no2017023896conventionDeclarationaacr2detailLevelhttp://ica-atom.org/doc/RS-2#5.4personBleddyn ap Cynfyn, active 1063 or 1064-1075conventionDeclarationCynfyn, Bleddyn ap, active 1063 or 1064-1075conventionDeclarationAp Cynfyn, Bleddyn, active 1063 or 1064-1075conventionDeclarationGenealogical notes,Gramadeg y beirdd, etc.,Miscellanea,Miscellanea,Miscellanea,Miscellanea,Bardism; miscellanea,Pedigrees,MSS. collections relative to Wales, IIPedigree of Francis Vaughan of Yorkshire