Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Marchudd 11) gives Gronwy Fychan a number of 8 in his generational dating system, implying a birth date of, very roughly, about 1270.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Gronwy ab Ednyfed Fychan ap Cynwrig.
This relationship is shown by Bartrum (Marchudd 11), and given by Carr (p. 2), and by Roberts (WBO; 1969, p. 274).
(possible) Mother: Morfudd ferch Meurig of Gwent.
Bartrum (Marchudd 11) expresses some doubt about this relationship.
Spouse: Generys ferch Hwfa ab Iorwerth.
This relationship is shown by Bartrum (Marchudd 11). Bartrum shows her ancestry, but in some lines it seems a little dubious.
Children:
(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.)
Llywelyn married Gwerful ferch Robert.
Myfanwy married Dafydd Foel.
Ednyfed.
(possibly) Hywel.
Madog (died 1348) married Margred ferch Robert.
Generys Fechan married Llywelyn ap Bleddyn Llwyd.
Gwenllian Fechan married Tudur Fongam.
References
Bartrum, Peter C., “Marchudd 11” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Gruffudd Fychan are: Peniarth 131 (93, 128), written by Gutun Owain about 1480; Peniarth 129 (62, 68), copied about 1500 from a 1497 MS by Gutun Owain; and Peniarth 127 (53), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]
Carr, A.D. “Gwilym ap Gruffydd and the Rise of the Penrhyn Estate” in Welsh History Review Vol. 15, no. 1 (June 1990), pp. 1-20.
Roberts, Glyn “GRIFFITH OF PENRHYN (Caerns.)” in Welsh Biography Online.
Roberts, Glyn. “Wyrion Eden’: The Anglesey Descendants of Ednyfed Fychan in the Fourteenth Century” in Aspects of Welsh History. (University of Wales Press, 1969).