Gwenwynwyn ab Owain Cyfeiliog

Gwenwynwyn ab Owain Cyfeiliog
Lord of Cyfeiliog
Sigil of Gwenwynwyn from a charter of 12 February 1204/5 granting land to Strata Marcella, reading SIGILL : GWENWNWIN : DE : KEVEILIAVC:
SuccessorGruffudd ap Gwenwynwyn
Died1216 (1217)
Chester
Noble familyLleision
Spouses
  • Marged ferch Rhys
  • Margred, d. Robert Corbet of Cause
Issue
FatherOwain Cyfeiliog
MotherGwenllian ferch Owain Gwynedd

Gwenwynwyn ab Owain Cyfeiliog (died c. 1216) was the last major ruler of mid Wales before the completion of the Norman English invasion. He was one of few native rulers to represent a real threat to the rule of Llywelyn the Great.