Family
 Iorwerth Drwyndwn ab Owain of Gwynedd, Prince of Gwynedd 1)Born ± 1145 Died ± 1174, approximately 29 years Married/ Related to:  Margred ferch Madog of Powys 1)Daughter of Madog ap Maredudd of Powys, Prince of Powys and Unknown. Child: 1. Llywelyn ap Iorwerth of Gwynedd, Prince of North WalesBorn ± 1172 Died 11 Apr 1240, approximately 68 years Notes: Llywelyn the Great (Welsh: Llywelyn Fawr, [ɬəˈwɛlɪn vaʊ̯r]), full name Llywelyn ap Iorwerth, (c. 1173 - 11 April 1240) was a King of Gwynedd in north Wales and eventually ruler of all Wales. By a combination of war and diplomacy he dominated Wales for 45 years. | |||
Sources
1) Source: Llywelyn ap Iorwerth ancestor table . External Linkhttp://sites.rootsweb.com/~medieval/llywelyn.htm (Data from secondary evidence)