Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum given Llywarch a number of 4 in his generational dating system, which implies a birth date of, very roughly, about 1130.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Iorwerth ap Cynon ap Llywarch Howlbwrch.
This relationship is shown by Bartrum (Llywarch Howlbwrch 1).
Mother: a daughter of Ithel ab Einudd.
This relationship is shown by Bartrum (Llywarch Howlbwrch 1).
Spouse: Tangwystl ferch Llywarch ab Brȃn.
This relationship is shown by Bartrum (Llywarch Howlbwrch 1).
Spouse: Gwladus ferch Heilin.
This relationship is shown by Bartrum (Llywarch Howlbwrch 1).
Children (by Tangwystl):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. The information below comes from Bartrum.)
Tangwystl Gôch had a relationship outside of marriage with Llywelyn Fawr ab Iorwerth.
Children (mother uncertain):
Cynon.
Einion Flaenllym
References
Bartrum, Peter C., “Llywarch Howlbrwch 1” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources Bartrum cites for Llywarch are: Peniarth 129 (87, 128), copied about 1500 from a 1497 MS by Gutun Owain; Peniarth 176 (224, 289) and Peniarth 178 part 1 (42) by Gruffudd Hiraethog (died 1564).]