to his British allies, Macsen rewards them with a portion of Gaul that becomes known as Brittany. Medieval Welsh Genealogies and Triads Eudaf appears in a number of medieval Welsh genealogies and Triads including: Genealogies from Jesus College MS 20 The lineage of Saint Cattwg (Llyma weithon ach Cattwc sant) Kynan son of Eudaf son of Custenin son of Maxen son of Maximianus son of Constantinus son of Custeint. Family of Cunedda (Plant Cunedda) The wife of Coel Hen was daughter of Gadeon son of Eudaf Hen (Gwreic Coyl hen oed verch Gadeon m Eudaf hen vchot). Lineage of Morgan son of Owein (Ach Morgan ab Owein) Gereint son of Erbin son of [Custennin son of] Kynwawr son of Tudwawl son of Gwrwawr son of Gadeon son of Cynan son of Eudaf Hen. Genealogies from Mostyn MS. 117 Arthur son of Vthyr son of Kustenhin son of Kynuawr son of Tutwal son of Moruawr son of Eudaf son of Kadwr son of Kynan son of Karadawc son of Bran son of Llyr lletieith. The North Britain Triads These are the three times when the Lordship of Gwynedd went by the Distaff One of them was Stradweul daughter of Gadean ap Cynan ab Eudaf ap Caradog ap Bran ap Llyr Llediaith; and this Stradweul wife of Coel Godebog was mother to Dyfrwr and mother to Ceneu son of Coel (). Medieval Welsh Poetry The Gododdin The "daughter of Eudaf Hir (the Tall)" is mentioned briefly in the famous poem Gododdin of Aneirin: A.67 (LXVII): "Poetry as deserved for brilliant high hosts. for the purpose of the courtly subjects of the mountain realm, and the daughter of Tall Eudaf, [there came] the violence of border fighting. The breakers of countries were dressed in purple." Lewis Glyn Cothi The poet Lewis Glyn Cothi (fl. 1447-86 CE), in an ode to Dafydd ap Sion of Gower, compares his subject to Macsen Wledig and his bride Gwenllian (daughter of Jenkin son of Owen) to Elen daughter of Eudaf: XXXVI, I Davydd ap Sion, o Vro Wyr, l. 51: Ail yw Gwenllian Elen verch Eudav; "Gwenllian is a second Elen daughter of Eudaf" References British traditional history Britons of the North