Iowerth "Drwyndwn" Ap Owain Gwynedd

Abt 1140 - Yes, date unknown

• Name	Iowerth "Drwyndwn" Ap Owain Gwynedd
  Birth	Abt 1140
  Gender	Male
  Nickname	Drwyndwn
  Name	Drwyndwn Ap Owain Gwynedd  [1, 2, 3, 4]
  Death	Yes, date unknown
  Person ID	I5189	Ancestrees
  Last Modified	3 Mar 2026

  
  

  Father	Owain Gwynedd,   b. Abt 1110   d. 1170 (Age 60 years)
  Relationship	natural
  Mother	Gwladys Vz Llywarch Ap Trahaearn Ap Caradog,   b. Abt 1113, Wales
  Relationship	natural
  _MARRIED	N
  Family ID	F242	Group Sheet  |  Family Chart

  
  

  Family	Margaret Vz Madog Ap Maredudd Ap Bleddyn Ap Cynfyn
  _MARRIED	N
  Children	1. Llewelyn "Fawr" Iowerth,   b. Abt 1173, , Anglesey, Wales d. 11 Apr 1240, Aberconway, Carnarvon, , WLS (Age 67 years)  [Father: natural]  [Mother: natural]
  Family ID	F258	Group Sheet  |  Family Chart
  Last Modified	3 Mar 2026

  
  

• Notes

  Iowerth had a phsical disability and which disqualified him from following in his father's footsteps as King.

  
  

• Sources

  [S376] Francis Jones, Wales Herald Extraordinary, The Princes and Principality of Wales (Cardiff: University of Wales Press, c1969). [S800] Workman, Shirley, Email dated 2002 from sworkman@iopener.net which includes info from Christine Dale, a Tharp researcher. [S206] United Ancestries Linked Pedigrees CD 100 (Automated Archives). [S123] CD 102 (Automated Archives).