Llywelyn ap Seisyll
- 1023( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Llywelyn ap Seisyll d. 1023
- Angharad ferch Maredudd
- 2 Gruffydd ap Llywelyn, King of Wales b. Abt 1007 d. 05 Aug 1063
- Ealdgyth d. Aft 1070
- Ealdgyth d. Aft 1070
- 2 Gruffydd ap Llywelyn, King of Wales b. Abt 1007 d. 05 Aug 1063
- Angharad ferch Maredudd