Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Gwyn ap Gruffudd of Cegidfa.
This relationship is shown by Bartrum (Gwyn ap Gruffudd 1).
Mother: unknown.
Spouse: Bleddyn ab Owain Brogyntyn ap Madog.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 20; Gwyn ap Gruffudd 1).
Children:
Owain married Gwenllian ferch Madog.
References
Bartrum, Peter C., “Bleddyn ap Cynfyn 20”, “Gwyn ap Gruffudd 1” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The source that Bartrum cites for Margred is Lewys Dwnn 2:109; 2:122.]
Dwnn, Lewys, and Samuel Rush Meyrick. Heraldic visitations of Wales and part of the marches between the years 1586 and 1613 by Lewys Dwnn. (Llandovery: William Rees, 1846).