Iorwerth drwyndwn Ap Owain

• 
• Born in 1145
• Deceased in 1174, at the approximate age of 28 years

Parents

• Owain Ap Gruffyd
• Glawdus Werch llywarch

Family

• Married with Maraded Verch Madog (1150 - 1198), issuing
  • Llywelyn (1173 - 1240)