Iwerydd verch Cynfyn

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Iwerydd verch Cynfyn

Also Known As: "Gwerydd"
Birthdate: (26)
Birthplace: Powys, Wales
Death: 1048 (22-30)
Immediate Family:

Daughter of Cynfyn ap Gwerystan, King of Powys and N.N. ferch Sitric Silkbeard
Wife of Edwin ap Gronwy, of Tegeingl
Mother of Owain ap Edwin, of Tegeingl; Uchdryd ab Edwin of Tegeingl and Hywel ap Edwin
Sister of Efa verch Cynfyn; Nest verch Cynfyn and Gwerfyl ferch Cynfyn
Half sister of Rhiwallon ap Cynfyn, Prince of Powys; Angharad verch Cynfyn; Bleddyn ap Cynfyn, King of Powys; Gwenwyn verch Cynfyn and Llewelyn ap Cynfyn

Managed by: Erica Howton
Last Updated:

About Iwerydd verch Cynfyn

Edwin ap Gronwy, b. 1020 in Tegaingl, Flintshire, Wales, d. 1073 in Northop, Coleshill, Flintshire, Wales

Father: Gronwy ap Einion, b. ca. 959 in Dynevor, Llandfeisant, Carmarthenshire, Wales

Mother: Ethelfleda verch Edwin

Spouse: Iwerydd verch Cynfyn, b. ca. 1024 in Powys, Wales

Father: Cynfyn ap Gwerystan, b. ca. 1002 in Powys, Wales

Mother: Angharad verch Maredudd, b. ca. 982 in Deheubarth, Wales



Owain ap Edwin, b. ca. 1044 in Llys Edwin, Llaneurguin, Flintshire, Wales, m. Morwyl verch Ednywain, d. 1105

Uchdrud ap Edwin, b. ca. 1046 in Llys Edwin, Llaneurguin, Flintshire, Wales, m. Nest verch Llewellyn, m. Morwyl verch Ednywain, aft. 1105

  • Iwerydd verch Cynfyn

born about 1024 Powys, Wales


  • Cynfyn ap Gwerystan King of Powys

born about 1002 Powys, Wales


  • Angharad verch Maredydd

born about 0982 Deheubarth, Wales


  • Bleddyn ap Cynfyn born about 1025 Montgomeryshire, Wales died 1075
  • Miss verch Cynfyn born about 1024 Powys, Wales
  • Rhiwallon ap Cynfyn born about 1025 Powys, Wales

died 1070 (slain) Battle Mechain, Montgomeryshire, Wales

  • Nest verch Cynfyn born about 1027 Powys, Wales

Gwerydd verch Cynfyn


  • Edwin ap Gronwy

born 1020 Tegeingl, Flintshire, Wales

died 1073 Northop, Coleshill, Flintshire, Wales


  • Owain ap Edwin born about 1044 Llys Edwin, Llaneurguin, Flintshire, Wales

died 1105

Howel ap Edwin born <1042 Tegeingl, Flintshire, Wales

  • Uchdrud ap Edwin born 1040 Tegeingl, Flintshire, Wales

biographical and/or anecdotal:

notes or source:


Please see Darrell Wolcott- The Ancestry of Edwin of Tegeingl, http://www.ancientwalesstudies.org/id42.html, in which he discusses that the mother of Iwerydd was of possible Irish decent and not the daughter of Angharad. ( Steve Ferry, December 25, 2016.)

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - Uchdryd ap Edwin:the Younger Son; http://www.ancientwalesstudies.org/id86.html. (Steven Ferry, April 18, 2017.)

Please see Darrell Wolcott: Cynfyn ap Gwerystan, the Interim King; http://www.ancientwalesstudies.org/id209.html. (Steven Ferry, June 1, 2017.)

Please see Darrell Wolcott: The Brief Life of Gruffudd ap Maredudd; http://www.ancientwalesstudies.org/id81.html. (Steven Ferry, June 4, 2017.)

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Iwerydd verch Cynfyn's Timeline

Powys, Wales
Age 26
Age 26
Llys Edwin, Llaneurguin, Flintshire, Wales
Age 26
March 4, 1924
Age 26
April 30, 1925
Age 26
January 28, 1935
Age 26
January 28, 1935
Age 26
January 28, 1935
Age 26