Idnerth Lord of Builth
1. Idnerth Lord of Builth married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Dyddgy, of Builth (1.1) of married Llywarch on Yes, date unknown. Llywarch (son of Arwystli, Trahaern of Prince\northWales and Nesta, of North) died in 1129. [Group Sheet] [Family Chart]
Children:
Generation: 3
3. Gladys, of North Wales (2.of2, 1.1) Family/Spouse: Gwinedh, Prince of North Wales Owain I. Owain (son of Cynfyn, Ap Prince, North Wales Gruffydd and Tegaingl, Ankaret of) died in 1170. [Group Sheet] [Family Chart]
Children:
- 4. Drwyndwn, Prince of North Wales Iorworth died in 1174.
Generation: 4
4. Drwyndwn, Prince of North Wales Iorworth (3.of3, 2.of2, 1.1) died in 1174. Iorworth married Powys-Vadoc, Maret of on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 5. Iorworth, Ap Prince, N.Wales Llewellyn was born about 1164; died on 11 Apr 1240.