Michael Matthew Groat PhD's Genealogical Database
Individuals: 97,713 Families: 61,838
Gedcom Last Modified: December 14, 2025 00:59:10
Iestyn ap Owain
- Preferred Name: Iestyn ap Owain[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31]
- Alternate Name: Iestyn ap Owain
- Gender: M
- FSID: LZD2-BPY
- Birth: ABT 942 in Dinefwr Castle, Carmarthenshire, Wales at LATI: N1.8831 LONG: E4.0158 with note: Standardize
- Death: 1033 in Wales at LATI: N2.3302 LONG: E3.7664
- http://familysearch.org/v1/TitleOfNobility: Prince of Deheubarth in Kingdom of Deheubarth, Wales at LATI: N2.3302 LONG: E3.7664
- http://familysearch.org/v1/TitleOfNobility: Prince of Gwent in Kingdom Of Gwent, Wales at LATI: N1.789 LONG: E3.018
- Notes:
=== Life Sketch ===
Iestyn ab Owain
Born 0942 in Deheubarth, Monmouthshire, Wales
Died 1033 in Wales
ANCESTORS
Son of Owain ap Hywel and Angharad ferch Llewelyn
Brother of Idwallon ou (Dyfed) Owain, Cadwallon ou (Dyfed) Owain, Meirchion ab Owain, Einion ab Owain, Owain Ap Iestyn, Maredudd ab Owain and Grono ab Owain
spouse(s) unknown
DESCENDANTS
Father of Rhydderch ab Iestyn
taken from : https://www.wikitree.com/wiki/Owain-24
=== This site is made-up of my own family tr ===
This site is made-up of my own family tree, plus contributions from many others who have shared their research, as well as downloads from from the internet. Not everything has been varified. It should be used with caution, but is a good place to start. If you find errors, or would like to share information, please contact me.
=== AFN: S2R8-Q7 ===
AFN: S2R8-Q7
=== GEDCOM provided by Carolyn Proffitt Winc ===
GEDCOM provided by Carolyn Proffitt Winch
=== Father is Lord of Glamorgan ===
Father is Lord of Glamorgan
=== Iestyn/ap Gwrgant is a shadowy hero in t ===
Iestyn/ap Gwrgant is a shadowy hero in the legend of the conquest of Glamorgan whose biography as told in "Gwentian Brut y Tywysogion" is fabulous and absurd, nevertheless Iestyns' historical existence is proved by the existence of his descen
=== NOT-A-MATCH: This individual is not the ===
NOT-A-MATCH: This individual is not the same as Einion Ap /CADWGON/ 1010-?, PAF ID {7bb223f7-d1b4-4906-8e6e-85d2211b07f5}
NOT-A-MATCH: This individual is not the same as Gronwy Ap /CADWGON/ 1012-?, PAF ID {cbe375d1-8f88-4964-9aa2-21c347fb1eac}
NOT-A-MATCH: This individual is not the same as Elidir "Hen" Ap /CADWGON/ 1014-?, PAF ID {60924cb1-485b-4677-bb0c-65cbe7e433f6}
NOT-A-MATCH: This individual is not the same as Idnerth Ap /CADWGON/ 1017-?, PAF ID {abdfea92-47ec-49b8-b066-0703190a9d9b}
NOT-A-MATCH: This individual is not the same as Elidir "Fychan" Ap /CADWGON/ 1015-?, PAF ID {1500b709-38ce-4cdd-89d5-2e0eba2c699e}
NOT-A-MATCH: This individual is not the same as Gwaednerth Ap /CADWGON/ 1008-?, PAF ID {8f365254-7e23-4cfa-b04d-aaf2849c68fc}
NOT-A-MATCH: This individual is not the same as Ieuaf Ap /CADWGON/ 1004-?, PAF ID {2efb2cb5-6474-4595-99e1-c3f136ee8027}
NOT-A-MATCH: This individual is not the same as Cadfarch Ap /CADWGON/ 1006-?, PAF ID {5852e83b-4758-4423-a1fb-9f9377911ab4}
NOT-A-MATCH: This individual is not the same as Llywelyn Ap /CADWGON/ 1000-?, PAF ID {d70da289-05b6-4274-9c84-3417386b6c6b}
=== From: reedpcgen@aol.com (Reedpcgen)
News ===
From: reedpcgen@aol.com (Reedpcgen)
Newsgroups: soc.genealogy.medieval
Date: 17 Dec 2002 00:25:01 GMT
Subject: Re: Identity of King Henry II's mistress, Nest [Corrected Post]
John, I took two minutes and found the following (less time than digging into
files to find notes):
Bradney, History of Monmouth, v. 3 (Hundred of Usk), 190, gives [Bartrum, Rhydderch ap Iestyn 1 in brackets]:
1. Howel[Hywell] Dda
2. Owen [Owain]
3. Jestyn [Iestin]
4. Rhydderch, k. 1031
5. Gruffydd, defeated 1055 [d. 1056], m. Gwenlliam verch Bleddyn ap Cynfyn
6. Owen Wan [d. 1116]
7. Iorwerth ap Owen, lord of Caerleon, did homage to Henry II at Gloucester 1175 [living 1158-84], m. Angharad, daughter of Uchtryd [Uchdrud], Bishop of Llandaff
8. Nest, living 1248, and other siblings, including: Howell [Hywell] of Caerleon, founded Llantarnam Abbey in 1175, resigned his sovereignty 1172 and accepted knighthood from Henry II [m. Gwerful fyrch Owain Cyfeiliog
Paul
=== Denis *, Gwenfyn/verch Cynvyn * ===
Denis *, Gwenfyn/verch Cynvyn *
=== BIRTH-MARRIAGE:"WELSH GENEALOGIES AD300- ===
BIRTH-MARRIAGE:"WELSH GENEALOGIES AD300-1400," by Peter Clement Bartrum, published by The University of Wales Press, 1980.
=== !1. Bartrum 300-1400, pg. [42] ===
!1. Bartrum 300-1400, pg. [42]
=== Ancestral File Number: S2R8-Q7 ===
Ancestral File Number: S2R8-Q7
=== !GENERAL:Ancestral File (R), Ancestral ===
!GENERAL:Ancestral File (R), Ancestral File (R), The Churc h of Jesus Christ of Latter-day Saints, Copyright (c) 1987 , June 1998, data as of 5 January 1998
=== NOT-A-MATCH: This individual is not the ===
NOT-A-MATCH: This individual is not the same as Llywarch Ap /OWAIN/ 940-987, PAF ID {9570510f-97e6-4fe1-ad0e-65f4cb22c0ab}
NOT-A-MATCH: This individual is not the same as Maredydd Ap /OWAIN/ 938-999, PAF ID {f50cefc3-9761-489c-b4bb-cd15ab92bba1}
=== 1 _FA7 2 PLAC S2R8-Q7 From Ancestral F ===
1 _FA7 2 PLAC S2R8-Q7 From Ancestral File (TM), data as of 2 January 1996.
=== ANCESTRAL FILE, LDS GENEALOGICAL SOCIETY ===
ANCESTRAL FILE, LDS GENEALOGICAL SOCIETY;
=== !#4569-v3-p353; !ASSUMPTION: place of re ===
!#4569-v3-p353; !ASSUMPTION: place of residence unknown, placed here for recording purposes;
=== !#4568-v6-p354,385; !#248-3-p635; #771-v ===
!#4568-v6-p354,385; !#248-3-p635; #771-v1-p82; #1843-v29-p285; !ARCH REC: Royal Tribes of Wales; Eminent Welshmen; History of Powys Fadog; Heraldic Visitations of Wales; (birth 1013); !ORD: TIB: SLAKE: Bap> SL640?8, End>; FN #PZ7MJS;
=== !#4568-v1-p42*; v10-p758; !#771-v1-p65,6 ===
!#4568-v1-p42*; v10-p758; !#771-v1-p65,66,70; !Arch Rec: Welsh Founders of Pa; Archaelogia Cambrensis; Monm 1-v3-pt2-p187; Royal Lines of Succession; History of the Princes of South Wales; (birth 964 of Caerlleon, birth 942, of Dynevor Castle); !ORD: ARCH REC> B: 1 Sep 1966, E: 10 Dec 1966, SP: 13 Oct 1967 SL; sealed to wife dau verch Elystan Glodrydd, 28 Feb 1958 Sl (B: 31 Jan 1956, E: 9 Mar 1956); FN #S2R8Q7;
Preferred Parents:
Father: Owain ap Hywel King of Deheubarth, b. 913 in Dinefwr Castle, Carmarthenshire, Wales d. 988 in Dinefwr Castle, Llandilo, Carmarthshire, Wales
Mother: Angharad ferch Llewelyn, b. 918 in Dynevor Castle, Llandro, Carmarthenshire, Wales d. 1002 in Llandilo, Carmarthenshire, Wales
Sources:
- Title: Legacy NFS Source: Iestyn "Farchog" Ap Cadwgon -
Author: Ancestral File (TM), The Church of Jesus Christ of Latter-day Saints, July 1996 (c), data as of 2 January 1996
Page: Migrated from user-supplied source citation: urn:familysearch:source:2737222795
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: Ancestral File (TM), The Church of Jesus Christ of Latter-day Saints, June 1998 (c), data as of 5 JAN 1998
Page: Migrated from user-supplied source citation: urn:familysearch:source:2737222797
- Title: Legacy NFS Source: Iestyn ab Owain -
Author: Welsh Genealogies, AD 300-1400; Peter C Bartrum, Page number: Rhydderch ap Iestyn 1
Page: Migrated from user-supplied source citation: urn:familysearch:source:2736742563
- Title: Legacy NFS Source: Iestyn Ab Owain - birth: about 0942; Wales, United Kingdom
Author: v11t4329.FTW, Not Given
Note: birth: about 0942; Wales, United Kingdom
Source Media Type: Other
baptism:
Source Media Type: Other
baptism:
Source Media Type: Other
Endowment:
Source Media Type: Other
Endowment:
Source Media Type: Other
Source Media Type: Other
Page: Migrated from user-supplied source citation: urn:familysearch:source:2737222792
- Title: Legacy NFS Source: Iestyn ab Owain -
Author: Newsgroup: soc.genealogy.medieval, at groups - google.com, Page number: Paul C Reed, 17 Dec 2002
Note: Source Media Type: Book
Page: Migrated from user-supplied source citation: urn:familysearch:source:2736742371
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8724
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700855
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8725
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700779
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: Ancestral File (R), The Church of Jesus Christ of Latter-day Saints, Copyright (c) 1987, June 1998, data as of 5 January 1998, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2035901749
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: The Church of Jesus Christ of Latter-day Saints, Ancestral File (R) (Copyright (c) 1987, June 1998, data as of 5 January, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA, 35 N West Temple Street, Salt Lake City, Utah 84150 USA~~35 N West Temple Street~~Salt Lake City, Utah 8415 35 N West Temple Street Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036720098
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8725
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700779
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8726
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700857
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: Ancestral FileĀ® (1998, The Church of Jesus Christ of Latter-day Saints), www.FamilySearch.org -- Internet, Family History Library, 35 N West Temple Street, Salt Lake City, UT 84150 USA, Family History Library 35 N West Temple Street
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036820885
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: Ancestral File (TM), The Church of Jesus Christ of Latter-day Saints, July 1996 (c), data as of 2 January 1996
Page: Migrated from user-supplied source citation: urn:familysearch:source:2737222795
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8723
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700774
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8720
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700850
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: The Church of Jesus Christ of Latter-day Saints, Ancestral File (R) (Copyright (c) 1987, June 1998, data as of 5 January, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA, 35 N West Temple Street, Salt Lake City, Utah 84150 USA 35 N West Temple Street Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036720489
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8724
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700855
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8720
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700850
- Title: Legacy NFS Source: Iestyn Ap Owain - birth: 0942; Wales
Author: Pullen010502.FTW, Not Given
Note: birth: 0942; Wales
Page: Migrated from user-supplied source citation: urn:familysearch:source:3245537529
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: The Church of Jesus Christ of Latter-day Saints, Ancestral File (R) (Copyright (c) 1987, June 1998, data as of 5 January, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA, 35 N West Temple Street, Salt Lake City, Utah 84150 USA~~35 N West Temple Street~~Salt Lake City, Utah 8415 35 N West Temple Street Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036720098
- Title: Ancestry Family Trees
Author: Ancestry Family Tree
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8723
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700774
- Title: Legacy NFS Source: Iestyn Ab Owain -
Author: #8717
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700847
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?op=GED&db=timmychew&id=I027793, Tim Chew chew@brand-hyd.com
Page: Migrated from user-supplied source citation: urn:familysearch:source:3245537530
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: The Church of Jesus Christ of Latter-day Saints, Ancestral File (R) (Copyright (c) 1987, June 1998, data as of 5 January, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA, 35 N West Temple Street, 35 N West Temple Street Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036820897
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8726
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700857
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: Ancestral File (TM), The Church of Jesus Christ of Latter-day Saints, June 1998 (c), data as of 5 JAN 1998, Family History Library, 35 N West Temple Street, Salt Lake City, UT 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:3243695014
- Title: Legacy NFS Source: Iestyn "Farchog" Ap Cadwgon -
Author: Ancestral File (R), The Church of Jesus Christ of Latter-day Saints, Copyright (c) 1987, June 1998, data as of 5 January 1998, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2941801618
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: Ancestral File (R), The Church of Jesus Christ of Latter-day Saints, Copyright (c) 1987, June 1998, data as of 5 January 1998, Family History Library, 35 N West Temple Street, Salt Lake City, Utah 84150 USA
Page: Migrated from user-supplied source citation: urn:familysearch:source:2941801618
- Title: Legacy NFS Source: Iestyn Ap Owain -
Author: #8717
Page: Migrated from user-supplied source citation: urn:familysearch:source:2036700847
- Title: Legacy NFS Source: Iestyn ab Owain -
Author: Dictionary of National Biography, George Smith, Oxford Press, Vols 1-21 (Orignially published 1885-90),Ed by Sir Leslie S, Page number: VIII:751, just Iestin
Note: Source Media Type: Book
Page: Migrated from user-supplied source citation: urn:familysearch:source:2736742373
Master Index
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