Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Marchudd 11) gives Madog a number of 9 in his generational dating system, implying a birth date of, very roughly, about 1300.
Date of Death: 1348.
Place of Death: unknown.
The date is given by Carr (p. 2).
Relationships
Father: Gronwy Fychan ap Gronwy ab Ednyfed Fychan.
This relationship is shown by Bartrum (Marchudd 11), and given by Carr (p. 2), and by Roberts (WBO; 1969, p. 274).
Mother: Generys ferch Hwfa ab Iorwerth.
This relationship is shown by Bartrum (Marchudd 11).
Spouse: Margred ferch Robert ab Iorwerth.
This relationship is shown by Bartrum (Marchudd 11).
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.)
Generys married Ieuaf ab Adda; also married Gruffudd ap Gwilym.
References
Bartrum, Peter C., “Marchudd 11” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Madog are: Peniarth 131 (93), written by Gutun Owain about 1480; Peniarth 129 (62), copied about 1500 from a 1497 MS by Gutun Owain; Peniarth 127 (53), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523; and Peniarth 128 (603b), “Llyfr Edward ap Roger”, written before 1582.]
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).