Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Iarddur 1)) gives Madog a number of 6 in his generational dating system, implying a birth date of, very roughly, about 1200.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Iarddur ap Cynddelw ap Trahaearn.
This relationship is shown by Bartrum (Iarddur 1) and given by Carr (p. 2). In a pedigree given by Bartrum in “Pedigrees of the Welsh Tribal Patriarchs”, the name string continues: Iarddur ap Cynddelw ap Trahaearn ap Bod ap Cysgen ap Helic ap Glannoc, and back to Cariadoc Freichfras and Cunedda Wledig.
Mother: uncertain.
It is not clear which of Iarddur’s wives was Madog’s mother.
Spouse: a daughter of Iorwerth ab Owain Brogyntyn.
This relationship is shown by Bartrum (Iarddur 1).
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.)
Gwerful married Iorwerth Fychan.
Tudur (possibly) married Morfudd ferch Rhys ap Maredudd ap Rhys o’r Deau. (Bartrum attaches a question mark to this relationship.)
Gruffudd.
A daughter married Bleddyn ap Dafydd.
References
Bartrum, Peter C., “Iarddur 1” 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 131 (62), written early in the reign of Henry VIII; Peniarth 127 (119), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523; and Peniarth 176 (305) and Peniarth 178 part 1 (132) by Gruffudd Hiraethog (died 1564).]
Bartrum, Peter C., “Pedigrees of the Welsh Tribal Patriarchs” in National Library of Wales Journal Cyf.13, rh.2, p. 93-146. (Gaeaf 1963).
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.
Stephenson, David. The Governance of Gwynedd. (University of Wales, 1984).