Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Bleddyn ap Cynfyn 26) gives Madog a number of 8 in his generational dating system, implying a birth date of, very roughly, about 1270.
Living: 1293, 1321.
The dates are given by Bartrum (Bleddyn ap Cynfyn 26).
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Iorwerth ap Madog ap Gruffudd.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 26).
Mother: Lleucu ferch Llywelyn.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 26).
Spouse: Efa ferch Llywelyn ap Gruffudd.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 26).
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.)
Dafydd (living 1347) married Sibilla Cornwall.
Gwerful married Gronwy ap Tudur.
Gruffudd.
References
Bartrum, Peter C., “Bleddyn ap Cynfyn 26” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Madog are: Peniarth 129 (50, 74, 92), copied about 1500 from a 1497 MS by Gutun Owain; and Peniarth 127 (25, 151), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]