Iowerth Drwyndwn Ap Owain Mawr
1125 - 1174 (49 years)(
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- 1 Iowerth Drwyndwn Ap Owain Mawr [1] b. 1125 d. 1174
- Margaret, of Powys
- 2 Prince of Wales Llywelyn Fawr Ap Iowerth [1.1] b. 1173 d. 11 Apr 1240
- Tangwystyl Goch
- 3 Gwladus, of Wales [1.1.1] d. 1251
- Ralph, of Mortimer d. 1246
- 4 Lord of Wigmore Roger [1.1.1.1] d. 1282
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- 4 Lord of Wigmore Roger [1.1.1.1]
- Reginald De Braose d. 1228
- 4 Lord of Aberbavenny William De Braose [1.1.1.2]
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- 4 Lord of Aberbavenny William De Braose [1.1.1.2]
- 3 Margaret Ferch Llewelyn, of Wales [1.1.2] b. 1202 d. 1263
- Walter, V, of Clifford b. 1186 d. 1263
- 4 Maud, of Clifford [1.1.2.1] b. 1235 d. 9 May 1285
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- 4 Maud, of Clifford [1.1.2.1]
- 3 Ellen Verch, of Wales [1.1.3] b. 1206
- Earl of Mar Donald b. 1243 d. 25 Jul 1297
- 4 Marjory, of Mar [1.1.3.1] b. 1270 d. 24 Jul 1326
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- 4 Isobel, of Mar [1.1.3.2] b. 1278 d. 1320
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- 4 Marjory, of Mar [1.1.3.1]
- 3 Gwladus, of Wales [1.1.1]
- + Joan Plantagenet b. 1188 d. 2 Feb 1237
- 2 Prince of Wales Llywelyn Fawr Ap Iowerth [1.1]