Iorwerth Drwyndwn
Generation: 1
Generation: 3
Generation: 4
1. Iorwerth Drwyndwn (son of Owain Gwynedd). Iorwerth — . [Group Sheet]
Children:- Llywelyn Ap Iorwerth was born 1173, Dolwyddelan, Caernarvonshire, Wales; died 11 Apr 1240, Cistercian, Wales; was buried , Aberconwy, Wales.
- Dafydd Ap Iorwerth
2. Owain Gwynedd (son of Gruffydd Ap Cynan). Children:
Generation: 3
4. Gruffydd Ap Cynan (son of Cynan Ap Iago and Ragnaillt). Children:
Generation: 4
8. Cynan Ap Iago (son of Iago Abba Idwal). Cynan — Ragnaillt. [Group Sheet]
9. Ragnaillt (daughter of Olaf of Dublin). Children: