Avendreg, of Powys
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- 1 Avendreg, of Powys [1]
- Idwal, Prince of N. Wales d. 942
- 2 Meyric, Of North Wales [1.1] d. 986
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- 3 Idwal, Prince of N. Wales II [1.1.1] d. 996
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- 4 Iago, Prince of North Wales III [1.1.1.1] d. 1039
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- 4 Iago, Prince of North Wales III [1.1.1.1]
- 3 Idwal, Prince of N. Wales II [1.1.1]
- 2 Meyric, Of North Wales [1.1]