Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Tudur Trefor 22) gives Llywelyn a number of 7 in his generational dating system, implying a birth date of, very roughly, about 1230.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Griffri ap Cadwgon ap Meilir Eutun.
This relationship is shown by Bartrum (Tudur Trefor 22).
Mother: Jonet ferch Sir Fulk FitzWarin.
This relationship is shown by Bartrum (Tudur Trefor 22). I am not sure which Sir Fulk FitzWarin is being referred to.
Spouse: Gwenllian ferch Owain.
This relationship is shown by Bartrum (Tudur Trefor 22).
Spouse: Angharad ferch Maredudd.
This relationship is shown by Bartrum (Tudur Trefor 22).
Relationship outside of marriage: a daughter of Llywelyn Sonlli.
This relationship is shown by Bartrum (Tudur Trefor 22).
Children (by Gwenllian):
(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.)
Iorwerth (living 1315) married Gwenllian ferch Gronwy; also married Margred ferch Ieuan.
Children (by Angharad):
Madog (died 1331) married Angharad ferch yr Hen Ddafydd.
Lleucu married Iorwerth ap Madog.
Children (by a daughter of Llywelyn Sonlli):
Margred married Maredudd ab Ednyfed Goch.
Children (mother uncertain):
Hywel Grach (living 1315) married Margred ferch Dafydd.
Gruffudd (living 1315).
References
Bartrum, Peter C., “Tudur Trefor 22” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Llywelyn are: Peniarth 131 (73, 130), written by Gutun Owain about 1480; Peniarth 131 (48), written early in the reign of Henry VIII; Peniarth 131 (287), written by Ieuan Brechfa about 1500; Peniarth 129 (57), copied about 1500 from a 1497 MS by Gutun Owain; and Peniarth 127 (25), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]