Gyrgant Prince of Glamorgan
- 1030(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Gyrgant Prince of Glamorgan [1] d. 1030
- Gwent, Angharat of
- 2 Bendew, Owen [1.1]
- Glamorgan, Eva of
- 3 Bendew, Ednowen [1.1.1] b. 1070
- Hereford, Gwerfyl of
- 4 Goronwy [1.1.1.1]
-
- 5 Morfydd [1.1.1.1.1]
- Owen Prince of Tegaingl d. 1105
- 6 Tegaingl, Ankaret of [1.1.1.1.1.1]
- Cynfyn, Ap Prince, North Wales Gruffydd b. 1055 d. 1137
- 7 Gwinedh, Prince of North Wales Owain I [1.1.1.1.1.1.1] d. 1170
- Gladys, of North Wales
- 8 Drwyndwn, Prince of North Wales Iorworth [1.1.1.1.1.1.1.1] d. 1174
- Powys-Vadoc, Maret of
- 9 Iorworth, Ap Prince, N.Wales Llewellyn [1.1.1.1.1.1.1.1.1] b. Abt 1164 d. 11 Apr 1240
-
- 10 Helen, of North Wales [1.1.1.1.1.1.1.1.1.1]
- Donald, Earl ofMar d. 1297
- 11 Mar, Isabel of [1.1.1.1.1.1.1.1.1.1.1] d. 1297
- Robert, King of Scots I b. 11 Jul 1274 d. 7 Jun 1329
- 12 Bruce, Princess of Scotland Marjorie [1.1.1.1.1.1.1.1.1.1.1.1] d. 2 Mar 1316
[ =>]
- 12 Bruce, Princess of Scotland Marjorie [1.1.1.1.1.1.1.1.1.1.1.1]
- 11 Mar, Isabel of [1.1.1.1.1.1.1.1.1.1.1]
- 10 Helen, of North Wales [1.1.1.1.1.1.1.1.1.1]
- 9 Iorworth, Ap Prince, N.Wales Llewellyn [1.1.1.1.1.1.1.1.1]
- 8 Drwyndwn, Prince of North Wales Iorworth [1.1.1.1.1.1.1.1]
- 7 Susanna, of North Wales [1.1.1.1.1.1.2]
- Madoc Prince of Powys d. 1160
- 8 Powys-Vadoc, Maret of [1.1.1.1.1.1.2.1]
- Drwyndwn, Prince of North Wales Iorworth d. 1174
- 9 Iorworth, Ap Prince, N.Wales Llewellyn [1.1.1.1.1.1.2.1.1] b. Abt 1164 d. 11 Apr 1240
-
- 10 Helen, of North Wales [1.1.1.1.1.1.2.1.1.1]
- Donald, Earl ofMar d. 1297
- 11 Mar, Isabel of [1.1.1.1.1.1.2.1.1.1.1] d. 1297
- Robert, King of Scots I b. 11 Jul 1274 d. 7 Jun 1329
- 12 Bruce, Princess of Scotland Marjorie [1.1.1.1.1.1.2.1.1.1.1.1] d. 2 Mar 1316
[ =>]
- 12 Bruce, Princess of Scotland Marjorie [1.1.1.1.1.1.2.1.1.1.1.1]
- 11 Mar, Isabel of [1.1.1.1.1.1.2.1.1.1.1]
- 10 Helen, of North Wales [1.1.1.1.1.1.2.1.1.1]
- 9 Iorworth, Ap Prince, N.Wales Llewellyn [1.1.1.1.1.1.2.1.1]
- 8 Powys-Vadoc, Maret of [1.1.1.1.1.1.2.1]
- 7 Gwinedh, Prince of North Wales Owain I [1.1.1.1.1.1.1]
- 6 Tegaingl, Ankaret of [1.1.1.1.1.1]
- 5 Morfydd [1.1.1.1.1]
- 4 Goronwy [1.1.1.1]
- 3 Bendew, Ednowen [1.1.1]
- 2 Bendew, Owen [1.1]