Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum given Margred a number of 11 in his generational dating system, which implies a birth date of, very roughly, about 1370.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Dafydd ab Ednyfed Gam ab Iorwerth.
This relationship is shown by Bartrum (Tudur Trefor 14).
Mother: Morfudd ferch Gruffudd Fychan.
This relationship is shown by Bartrum (Tudur Trefor 14).
Spouse: Robin Llwyd ap Gruffudd ap Gronwy.
This relationship is shown by Bartrum (Marchudd 5; Tudur Trefor 14).
Children:
Catrin married Rhys ab Gruffudd; also married Dafydd ap Llywelyn; also married Hywel Fychan.
References
Bartrum, Peter C., “Tudur Trefor 14” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Margred are: Peniarth 131 (49), written early in the reign of Henry VIII; Peniarth 129 (103), copied about 1500 from a 1497 MS by Gutun Owain; Peniarth 127 (123), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523; Peniarth 128 (282b, 597a), “Llyfr Edward ap Roger”, written before 1582; and Peniarth 134 (347) by Gruffudd Hiraethog (died 1564).]