Events
Date of Birth: unknown.
Place of Birth: unknown.
Living: 1278.
The date is given by Bartrum (Seisyll 7).
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Gronwy ab Einion ab Seisyll.
This relationship is shown by Bartrum (Seisyll 1).
Mother: Meddefus ferch Owain Cyfeiliog.
This relationship is shown by Bartrum (Seisyll 1).
Spouse: Morfudd ferch Madog Gȏch ap Griffri.
This relationship is shown by Bartrum (Seisyll 7). Griffri is said to be the son of Llywelyn ap Robert ap Llywarch ap Trahaearn.
Children (by Morfudd):
(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.)
Nest married Iorwerth ap Rhirid; also married Adda ap Gruffudd.
Children (mother uncertain):
Ieuan.
Gronwy.
Gruffudd.
References
Bartrum, Peter C., “Seisyll 7” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Iorwerth are: Peniarth 129 (112), copied about 1500 from a 1497 MS by Gutun Owain; Peniarth 127 (34), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523; Peniarth 128 (663b), “Llyfr Edward ap Roger”, written before 1582; and Peniarth 176 (40) by Gruffudd Hiraethog (died 1564).]