Hywel Dda K of Wales

• Death: 0950

• Reference: 1436

1. Owain K of Deheubarth

                                                                                                   _Elidir ___________
                                                                               _Gwriad K of Man___|___________________
                                                   _Merfyn Frych K of Gwynedd_|
                                                  |                           |                    _Cynan Dindaethwy _
                                                  |                           |_Esyllt of Gwynedd_|_Mahallt of Flint__
                          _Rhodri Mawr K of Wales_|
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                         |                        |_UNKNOWN __________________|
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 _Cadell K of Deheubarth_|
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|--Hywel Dda K of Wales
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|_UNKNOWN _______________|
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Notes

Bartrum's "Welsh Genealogies".

Hywel inherited Seisyllwg from his father, CADELL and became ruler

of Dyfed when Llywarch ap Hyfaidd, his wife's brother died in 904. It is

possible that Hywel had Llywarch killed. To these lands, apparently

sometime around 930, he added Brycheiniog. This enlarged kingdom

became known as Dehubarth. In 942 Hywel gained control of Gwynedd

and Powys when his cousin IDWAL ab ANARAWD ap RHODRI (RIN 2582)

was killed in a revolt against Wessex. This made him ruler of all Wales

with the exception of Glamorgan in the souteast corner. Hywel, although

sovereign, was in some way subject to the overlordship of the Kingdom

of Wessex.

Hywel's crowning achievement was his codification of the laws of

Wales. It is for this that he probably was given the description "the

Good" by his descendants.

When Hywel died in 950, He passed the newly created kingdom of

Dehubarth on to his son, OWAIN. Gwynedd and Powys were returned to

the descendants of his cousin, IDWAL (see above).