Family
ClaimDetailEvidence
FatherOwain Gwynedd ap Gruffyd, Prince of North Wales (~1100-1169) [S756] [S934] [S2730]
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MotherGwladus ferch Llywarch (e1101-) [S756] [S934] [S2730]
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SpouseMargred ferch Madog (e1133-) 
Child +Llywelyn Fawr ap Iorwerth, Prince of North Wales (~1173-1240) [S756] [S934] [S2730]
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Attributes
ClaimDetailEvidence
GenderMale
NameIorwerth Drwyndwn , Prince of North Wales [S756]
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NameIorwerth , Drwyndwyn | flat nose [S934]
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NameIorwerth , Prince of Gwynedd [S934]
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NameIorwerth , Drwydwyn ('flat node') Prince of Gwynedd [S934]
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NameIorwerth Drwyndwn ab Owain Gwynedd [S2730]
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NameIorwerth Drwyndwn ap Owain , Prince of North Wales
Nickname: Iorwerth Flat-nose
no source
FatherOwain Gwynedd ap Gruffyd, Prince of North Wales (~1100-1169) [S756] [S934] [S2730]
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MotherGwladus ferch Llywarch (e1101-) [S756] [S934] [S2730]
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TitlePrince of North Wales [S756]
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Timeline
ClaimDateDetailAgeEvidence
Birthest 1131 (1121-1141)
 
Title1170Prince of Gwynedd [S934]
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Death1174 [S934]
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Deathabt 1174 [S756]
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Sources
IndexTitle
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S934] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Wales)" (2006-7 (v1.1 Updated 12 April 2007)) (https://fmg.ac/Projects/MedLands/WALES.htm).
[S2730] Baldwin, Stewart, "Medieval Genealogy Newsgroup: Llywelyn ap Iorwerth Ancestor Table" (http://sites.rootsweb.com/~medieval/llywelyn.htm).
Kinship Lines for Iorwerth Drwyndwn ap Owain, Prince of North Wales
Spouse/PartnerDegreeRelationshipMRCA
Margred ferch Madog (e1133-)93rd Cousin 1x removedCynfyn ap Gwerstan, King of Powys (e988-)
Margred ferch Madog (e1133-)188th CousinRhodri Mawr ap Merfyn, King of Gwynedd & Seisyllwg (e817-878)