Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum gives Margred a number of 2 in his generational dating system, which implies a birth date of, very roughly, about 1070.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Rhys ap Tewdwr Mawr.
This relationship is shown by Bartrum (Rhys ap Tewdwr 1).
Mother: Catrin ferch Iestyn ap Gwrgan.
This relationship is shown by Bartrum (Rhys ap Tewdwr 1).
Spouse: Gwrgeneu ap Hywel ab Ieuaf.
This relationship is shown by Bartrum (Elystan Glodrydd 31; Rhys ap Tewdwr 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.)
Alswn married Rhiwallon ap Madog.
Gwerful married Cadwaladr ap Gruffudd ap Cynan; also married Gruffudd ap Maredudd.
References
Bartrum, Peter C., “Elystan Glodrydd 31” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Margred are: Peniarth 128 (833a), “Llyfr Edward ap Roger”, written before 1582, which doesn’t name Margred; Peniarth 135 (391) by Gruffudd Hiraethog (died 1564), which also doesn’t name Margred; and Peniarth 138 (632), written by Thomas ap Llywelyn ab Ithel of Bodfari about 1562.]