Iorwerth Drwyndwn, known as Iorwerth mab Owain Gwynedd ("the flat-nosed"; c. 1130 – 1174), was the eldest legitimate son of Owain Gwynedd (the king of...

Little is known about his father, Iorwerth Drwyndwn, who died when Llywelyn was an infant. There is no record of Iorwerth having taken part in the power...

Wales Iorwerth Drwyndwn (1145–1174), son of Owain Gwynedd, king of Gwynedd Iorwerth (bishop of St David's) (fl. 1215) Thomas Iorwerth Ellis OBE (1899–1970)...

Tomen Castell, a small tower possibly built by Llywelyn's father, Iorwerth Drwyndwn. Dolwyddelan was captured by Edward I of England in 1283, and despite...

Gwynedd c. 1173 ruling only lower Gwynedd until displaced by Llywelyn ab Iorwerth in 1198. England recognized Dafydd as Prince of Gwynedd, though Welsh jurists...

Ralph de Mortimer and his Welsh wife, Gwladys Ddu, daughter of Llywelyn ab Iorwerth and Joan Plantagenet, daughter of John, King of England. In 1256 Roger...

on the death of Owain Gwynedd and of Iorwerth Drwyndwn grandfather and father respectively of Llywelyn ab Iorwerth. Seisyll also wrote poems in praise...

Gwladus ferch Llywarch ap Trahaearn, and therefore full brother to Iorwerth Drwyndwn, the father of Llywelyn the Great. On the death of Owain Gwynedd in...

Maelgwn in 1173, sending him fleeing to Ireland. Other brothers, Iorwerth Drwyndwn and Cynan ab Owain Gwynedd, were killed in 1174, removing two more...

historically he has been identified as the 12th-century nobleman Iorwerth Drwyndwn. A contributor to the Welsh archaeological journal Archaeologia Cambrensis...

Angharad ferch Owain Gwynedd Gruffydd Maelor I Powys Fadog 1160–1191 Iorwerth Drwyndwn 1145–1174 Marared ferch Madog Gruffudd ap Cynan ab Owain Gwynedd 1150–1200...

immediately on John's death despite her father's opposition. "Llywelyn ap Iorwerth". Dictionary of Welsh Biography. National Library of Wales. Alison Weir...

whom he had two sons, Maelgwn ab Owain Gwynedd and Iorwerth Drwyndwn, the father of Llywelyn ab Iorwerth (Llywelyn the Great), then to Cristin, by whom he...

1170 Madog ap Maredudd d. 1160 Rhys ap Gruffudd (Lord Rhys) d. 1197 Iorwerth Drwyndwn d. 1174 Gruffudd Maelor I d. 1191 Gruffudd d. 1201 Llywelyn the Great...

Iorwerth, who was born most likely in the year 1173 and therefore only a child when all these events played out. Llywelyn's father Iorwerth Drwyndwn had...

probably a clas. It has been suggested that Iorwerth ab Owain Gwynedd (1145-1174), also known as Iorwerth Drwyndwn, the father of Llywelyn the Great, was buried...

Angharad ferch Owain Gwynedd Gruffydd Maelor I Powys Fadog 1160–1191 Iorwerth Drwyndwn 1145–1174 Marared ferch Madog Gruffudd ap Cynan ab Owain Gwynedd 1150–1200...

codified by the Welsh jurist Iorwerth ap Madog and published sometime around 1240, and known as the Book of Iorwerth, or the Iorwerth Redaction. As with much...

The arms of the royal house of Gwynedd were traditionally first used by Llywelyn's father, Iorwerth Drwyndwn...

rule in Gwynedd, including his brothers Rhodri, Cynan and Iorwerth Drwyndwn; Cynan and Iorwerth are both believed to have died during this year. Dafydd...

Llywelyn Fawr, the senior heir of Owain Gwynedd (being the eldest son of Iorwerth Drwyndwn, the next eldest son of Owain Gwynedd after Hywel), defeated Dafydd...