Imwe yevatambi inoonekwa kazhinji mukati memitambo yeIrish ndeye iyo Mambokadzi medb, mambokadzi anozivikanwa zvakare saMaeve. Mukati meCircle cheUlster, mune ngano dzeIrish, ndiye mambokadzi weConnacht. Akave nevarume vakati wandei asi mune dzake dzakakosha nyaya murume wake ndiAillil mc Máta. Chigaro chehurumende yake chiri mune izvo zvava Rathcroghan, County Roscommon, uye ndiye muvengi akaipisisa waMambo weUlster, protagonist weTáin Bó Cúailgne.
Zvinoenderana nenyaya iye akatambidzwa nababa vake kuti ave mukadzi waConchobar mac nesa, Mambo weUlster. Akamupa mwanakomana asi akazopedzisira amusiya saka baba vake vakapfuudza mumwe wevanasikana vake kuna mambo. Paaive nepamuviri, Medb akamuuraya iye nemwanakomana wake akazvarwa nechikamu chekufa kwekusiya. Baba vake vakabva vamupa umambo, Connacht, achitora zita ramambo kubva kuna Tinni mac Conri uyo, pakupedzisira, aizove mudiwa waMedb. Musangano muTara Medb anobatwa chibharo nemurume wake wekutanga uye izvi zvinounza hondo pakati paMambo Wekumusoro, baba vake, naUlster. Mudiwa wake uye murume wake wekutanga duel uye wekare anorasikirwa. Medb anopedzisira agara nemumwe murume semurume uye mambo. Haatombotendeka kwaari, anomubiridzira neimwe yeanodzidzisa, pane duel zvakare, murume wake anorasikirwa uye anochinja murume namambo.
Mambokadzi Medb vane vana vanomwe, vese vanonzi Maine. Vakanga vaine mamwe mazita asi pavakabvunza druid kuti ndeupi wevana vake vanomwe anozopedzisira auraya Conchobar, druid akapindura Maine uye sezvo akange asina rimwe rine zita iro, akatumidza mazita manomwe ane zita iro. Pakupedzisira, Maine Andoe anouraya Conchobar. Sekureva kwengano Medb yakavigwa mukamuri yemamita gumi nemaviri pakakwirira pamusoro peKnocknarea, County Sligo.