Gruffudd was of Llansadwrn and Maenor-Deilo.
Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum gives Gruffudd a number of 8 in his generational dating system, which implies a birth date of, very roughly, about 1270.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Sir Hywel ap Gruffudd ab Ednyfed Fychan.
This relationship is shown by Bartrum (Marchudd 14) and given by Roberts (p. 274), and by Carr.
Mother: Tangwystl ferch Dafydd Goch ap Hywel Fychan.
This relationship is shown by Bartrum (Marchudd 14).
Spouse: Nest Fechan ferch Gwrwared.
This relationship is shown by Bartrum (Marchudd 14).
Spouse: Gwenllian ferch Thomas ap Tegwared.
This relationship is shown by Bartrum (Marchudd 14).
Children (by Nest):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Bartrum.)
Sir Rhys Hen (died 1356) married Joan, daughter of Sir Philip Somerville of Wichnor, Staffordshire; also married a daughter of Rhys Llwyd ap Cadwgon.
Lliwelydd married Walter Winter ap Thomas ap Watkin.
Children (by Gwenllian):
Robert married Lleucu ferch Robert ab Iorwerth.
Children (mother uncertain):
Gwenhwyfar married Tudur ap Dafydd Fychan.
Nest Fechan married (1) Llywelyn ap Gwilym; married (2) Ieuan ap Trahaearn.
References
Bartrum, Peter C., “Marchudd 14” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Gruffudd are: Peniarth 131 (103), written by Gutun Owain about 1480; Peniarth 131 (67), written early in the reign of Henry VIII; Peniarth 131 (219), written by Ieuan Brechfa about 1500; Peniarth 129 (56), copied about 1500 from a 1497 MS by Gutun Owain; and Peniarth 127 (24), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]
Carr, Antony David. The Mostyn Family and Estate, 1200-1643 (PhD thesis, University of Wales, 1975).
Roberts, Glyn. “Wyrion Eden’: The Anglesey Descendants of Ednyfed Fychan in the Fourteenth Century” in Aspects of Welsh History. (University of Wales Press, 1969).