Events
Date of Birth: about 660.
The estimated date is given by Bartrum (EVWG [3]).
Date of Death: unknown.
Relationships
Father: Cadwaladr Fendigaid ap Cadwallon ap Cadfan (died 664 or 682).
This relationship is shown by Bartrum (EVWG [3]) and given by Lloyd (1:231).
Mother: unknown.
Spouse: unknown.
Children:
Rhodri Molwynog (died 754).
References
Bartrum, Peter C (ed.) Early Welsh Genealogical Tracts. (Cardiff: University of Wales Press, 1968).
The sources Bartrum gives for Idwal include:
Harleian MS. 3859 -- compiled in about the 970s (“...Rotri map Mermin map Etthil merch Cinnan map Rotri map Iutguaul map Catgualart map Catgollaun map Catman map Iacob map Beli map Run map Mailcun map Catgolaun Iauhir map Eniaun girt map Cuneda ....”);
Historia hen Gruffudd vab Kenan vab Yago -- compiled in the middle of the 13th century (...Anaraut m. Rodri m. Etill verch Kenan o Gastell Dindaethue [m. Rodri] m. Idwal dere m. Catwalader vendigeit m. Catwallaun m. Catvan m. Yago m. Beli m. Run m. Maelgun m Catwallawn llauhir m. Einnyawn yrth m. Cuneda vrenhin…)
Mostyn MS. 117 -- dated to the last quarter of the 13th century (“...Rodri mawr m. Meruyn vrych, gwr priawt Esyllt verch Kyuan Tindaethwy mab Rodri maelwynawc m. Idwal iwrch m. Katwaladyr vendigeit m. Katwallawn m. Katuan m. Iago m. Beli m. Run m. Maelgwn Gwyned, herwyd dull y beird. Namyn o herwyd yr Istoria Beli oed vab y Eynyan vab Maelgwn, y gwr a uu petweryd brenhin ar Ynys Prydein gwedy Arthur. Maelgwn oed vab Katwallawn llawhir m. Eynyawn yrth m. Kuneda wledic...”);
Jesus College MS. 20 -- dated to the last part of the 14th century, probably based on an early-13th-century source:
22. “Rodri m. Meruyn m. (space) Ethellt merch Cynan Tintaethwy m Rodri molwynawc m. Idwal iwrch m. Kadwaladyr vendigeit m. Katwallawn m. Kadwgawn m. Iago m. Beli m. Run hir m. Maelgwn Gwyned m. Kadwallawn llawhir m. Einyawn yrth m. Kuneda wledic.”
Achau Brenhinoedd a Thywysogion Cymru:
1a. “...Anarawd m. Rodri mawr m. Esyllt verch Kynan Dindaethwy m. Rodri malwynawc m. Idwal iwrch m. Kydwaladr vendigaid m. Kadwallawn m. Kaduan m. Iago m. Beli m. Run m. Maelgwn Gwynedd m. Kadwallawn llawir m. Einion yrth m. Kunedda wledic...”
Bartrum, Peter C., “[3]”, in An Electronic Version of Welsh Genealogies AD 300-1500. [The source Bartrum cites for Idwal is his own Early Welsh Genealogical Tracts]
Guy, Ben. Medieval Welsh Genealogy. (The Boydell Press, 2020).
From Guy’s attempted recreation of the St David’s recension of the Gwynedd collection of genealogies as it might have existed in the tenth century, based on the Harleian genealogies:
1. [O]uen map [H]iguel map Catell map Rotri map Mermin map Etthil merch Cinnan map Rotri map Iutguaul map Catguala[tr] map Catgollaun map Catman map Iacob map Beli map Run map Mailcun map Catgolaun [L]auhir map Eniaun Girt map Cuneda map Ӕtern map Patern Pesrut map Tacit map Cein map Guorcein map Doli map Guordoli map Dumn map Guordumn map Amguoloyt map Amguerit map <Oumiud> map Dubun map Brithguein map Eugein map Aballac map Amalech, qui fuit Beli Magni filius et Anna mater eius, quam dicunt esse <consobrinam> Mariae uirginis matris Domini nostri Iesu Christi.
Lloyd, John Edward, A History of Wales. 2 volumes (London: Longmans, Green and Co., 1911-1912).