Cadwallon ap Gruffydd1 
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Angharad ferch Owain1
Children of Angharad ferch Owain and Gruffydd ap Cynan, King of Gwynedd
- Cadwallon ap Gruffydd1 d. 1132
- Susanna ferch Gruffydd1
- Gwenllian ferch Gruffydd1
- Owain ap Gruffyd, King of Gwynedd+1 b. c 1100, d. 28 Nov 1170
- Cadwaladr ap Gruffydd+1 b. c 1100, d. 1172
Cadwaladr ap Gruffydd1 
Child of Cadwaladr ap Gruffydd and Alice de Tunbridge
Susanna ferch Gruffydd1
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Gwenllian ferch Gruffydd1
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Olaf of Dublin1
Child of Olaf of Dublin
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Llywarch ap Trahaearn1
Child of Llywarch ap Trahaearn
Cristin ferch Goronwy1
Children of Cristin ferch Goronwy and Owain ap Gruffyd, King of Gwynedd
- Dafydd ap Owain, Prince of East Gwynnedd1 d. 1203
- Angharad verch Owain2
- Rhodri ap Owain+1 b. c 1135, d. 1195
Madog ap Maredudd, Prince of Powys1 
He gained the title of Prince of Powys.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S1916] Tim Boyle, “re: Boyle Family,” e-mail message to BENR, 16 September 2006. Hereinafter cited as “re: Boyle Family.”
- [S7955] The Dictionary of Welsh Biography, online http://yba.llgc.org.uk/. Hereinafter cited as Dictionary of Welsh Biography.
Gruffyd ap Rhys, Prince of Deheubarth1
He gained the title of Prince of Deheubarth.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
