Lord of Southern Powys ca. 1160-1197
Events
Date of Birth: unknown.
Place of Birth: unknown.
Living: 1149.
The date is given by Bartrum (Bleddyn ap Cynfyn 29). Owain is recorded in Brut y Tywysogion s.a. 1148 as receiving Cyfeiliog, together with Meurig, from his uncle Madog ap Maredudd.
Date of Death: 1197.
Place of Death: Strata Marcella abbey, near Welshpool.
The date is given by Bartrum (Bleddyn ap Cynfyn 29) and by Stephenson. The date and place are given by Williams (p. 92).
Relationships
Father: Gruffudd ap Maredudd ap Bleddyn.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 29) and given by Stephenson. It is recorded in Brut y Tywysogion s.a. 1148.
Mother: Gwerful ferch Gwrgeneu ap Hywel.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 29).
Spouse: Gwenllian ferch Owain Gwynedd ap Gruffudd.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 29).
Spouse: Gwenllian ferch Ednywain.
This relationship is shown by Bartrum (Bleddyn ap Cynfyn 29).
Children (by Gwenllian ferch Owain Gwynedd):
(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.)
Gwenwynwyn (died 1216) married Margred ferch yr Arglwydd Rhys; also married Margred, daughter of Robert Corbet of Cause.
Meddefus married Gronwy ab Einion.
Children (by Gwenllian ferch Ednywain):
Dyddgu married Maredudd ap Cadwgon.
Children (mother uncertain):
Gwerful married Hywel Caerllian.
Gwenllian married Cadfan ap Cadwaladr.
Annes married Ithel Gledde.
Constance married Dafydd ap Ralph of Malpas.
Caswallon (fl. 1197-1209).
Eliwys.
Hywel Gruch married Alice ferch Ednyfed.
Daniel.
Moeleri (illegitimate).
Evidence
Pryce (no. 539) gives a grant by Owain to Whitland Abbey dated to about 1170.
References
Bartrum, Peter C., “Bleddyn ap Cynfyn 29” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources that Bartrum cites for Owain are Brut y Tywysogion and his own Early Welsh Genealogical Tracts.]
Bartrum, Peter C (ed.) Early Welsh Genealogical Tracts. (Cardiff: University of Wales Press, 1968).
The sources Bartrum gives for Owain are:
Achau Brenhinoedd a Thywysogion Cymru (probably based on 15th century MSS):
2a. [Plant Ywein Gwynedd]: “Iorwerth a Maelgwn a Gwenlliant, mam Wenwynwyn ap Owain Kyveiliawg, plant Owain Gwynedd.”
3a. [Plant Katwaladyr ap Gruffudd ap Kynan] “Katfan m. Katwaladyr, unfam oedd ag Ewein Kefeiliawg.”
8g. “Gwenwynwyn ap Ywain Kyveilioc ap Gruffudd ap Meredudd ap Bleddyn ap Kynvyn ap Gwerystan ap Gweithfoet ap Gwny ap Gwlydden ap Gwrydyr ap Karadawg…”
“Morgan ap Howel ap Iorwerth ap Ywain [ap Caradog] ap Gruffudd ap Rrydderch ap Iestin. I vam oedd Wevrvyl verch Ywain Kyveilioc ap Gruffudd.”
Brut y Tywysogion 129 f..
Guy, Ben. Medieval Welsh Genealogy. (The Boydell Press, 2020).
From Guy’s critical edition of the Llywelyn ab Iorwerth genealogies, which were based on an archetype created no later than the first half of the fourteenth century from an original compilation dating to the early thirteenth century, partly based on earlier written sources (Note that Guy is striving for textual rather than genealogical accuracy):
A 3.6 Gwenwenwen mab Ewein Kefeiliawg m. Gruffud m. Maredud ap Bledyn ap Kynfyn ap Gwerystan ap Gweithfoet ap <Gwyn> ap Gwlyden ap Gwrydyr ap Karadawg ap Lles Llawddeawg ap Ednyfet ap Gwynan ap <Gwynnawc varyfsych> ap Keidiaw ap Koryf ap Kaenawg ap Tegonwy ap Teon ap Gwineu Deu Vreudwyt ap Bywyr Lew ap Bywdeg ap Run Rud Baladyr ap Llary ap <Kasnar> Wledig ap Llud ap Beli Mawr.
3.6.1 Gwenlliant ferch Ewein ap Gruffud oed fam Wenwynwyn.
Pryce, Huw. The Acts of the Welsh Rulers 1120 - 1283 (Cardiff: University of Wales Press, 2005)
Stephenson, David. Medieval Powys: Kingdom, Principality and Lordships, 1132-1293. (The Boydell Press, 2016).
Williams ab Ithel, John (ed.). Brut y Tywysogion; or, The Chronicle of the Princes (London: Longman, Green, Longman, and Roberts; 1860).
Williams, Gruffydd Aled. "Welsh Raiding in the Twelfth Century Shropshire/Cheshire March: The Case of Owain Cyfeiliog" in Studia Celtica, XL (2006), 89-111.