General Notes

Ednyfed Fychan was a member of the royal household of King Llywellyn ap
Gruffydd of Gwynedd.  From this king (presumably) he received extensive
grants of land, which when added to that of his clan (the descendants of the 9th century Marchudd) served as the basis for establishing some of the most prominant lineages of post-conquest Wales.  While the Tudors, descendants of his son Gorownry and later kings of England are the most prominant descendants, their lineage was overshadowed during the 13th and 14th centuries by the descendants of another son, Gruffydd (from whome derives the Griffiths of Burton Agnes, who started this thread), and after a brief period of notice, went into eclipse with the fall of Glyn Dwr to the benefit of a third line, the descendants of another brother, Tudur (this line giving rise to Griffith of Penrhyn).  It was only with the secret marriage of Owen ap Maredudd ap Tudur (Owen Tudor) that the line of Gorownry shot back to prominance.  For more information on these families, see Dictionary of Welsh Biography under Ednyfed Fychan, Rhys ap Griffith (Sir), Gruffydd Llwyd, and Griffith of Penrhyn,
and also the 1915 English Historical Review, and Aspects of Welsh History: Selected papers of the late Glyn Roberts (from which the following is derived), and Bartrum.