Principal rulers of Wales (from 999)

DEHEUBARTH (Seisyllwg, Brycheiniog and Dyfed)
Llywelyn ap Seisyll	1018 - 23
Rhydderch ap Iestyn (usurper)	1023
Maredudd ab Edwin	1033 - 35
Hywel ab Edwin	1033, 1042 - 4
Gruffyd ap Llywelyn	1042 - 44
(King of Gwynedd & Powys from 1039)
Gruffyd ap Llywelyn (second time)	1055 - 63
Maredudd ab Owain ab Edwin	c. 1064
Rhys ab Owain	1072
Rhys ap Tewdwr	1078
Gruffydd ap Rhys	1135
Anarwd ap Gruffydd	1137 - 43
Cadell ap Gruffydd	1137 - c. 1151
Maredudd ap Gruffydd	c. 1151 - 55
Rhys ap Gruffydd	c. 1151 - 97

GWYNEDD
Cynan ap Hywel	999
Llywelyn ap Seisyll	1005
Iago ab Idwal ap Meurig	1023 - 39
Gwynedd & Powys annexed by
Gruffydd ap Llywelyn, King of Deheubarth	1039
Bleddyn ap Cynfyn ap Gwerstan	1063
Trahaearn ap Caradog (twice)	1075
Gruffydd ap Cynan ap Iago	1075, 1081, c. 1094
Owain Gwynedd	1137 - 70
Gwynedd divided between
Cadwaladr ap Gruffydd and his sons	1170 - 1200

MORGANNWG (Glywysing and Gwent)
Rhys ab Owain ap Morgan	?
Hywel ab Owain ap Morgan	?
Meurig ap Hywel seized Gwent	c. 1040
Cadwgan ap Meurig	c. 1040 - c. 1055
Margannwg taken by
Llywelyn ap Iorwerth, King of Gwynedd	1055
Cadwgan ap Meurig (second time)	1063
Caradog ap Gruffydd ap Rhydderch	c. 1073
Iestyn ap Gwrgant (usurper)	1081 - c. 1093

dispossessed by King William Rufus of England

POWYS
Held by Gruffydd ap Llywelyn, King of Deheubarth	1039 - 63
Bleddyn ap Cynfyn ap Gwerstan/ Rhiwallon ap Cynfyn (d. 1070)	1063
Madog ap Bleddyn/Rhirid ap Bleddyn	1075 - 88
Cadwgan ap Bleddyn	1075 - 1109
Madog ap Rhirid/Ithel ap Rhirid	1109 - 10
Territory frequently divided	1110 - 1200
By 1200 Welsh kings were lords owing allegiance to England and by 1282 Edward I had conquered Wales. His son was the first English Price of Wales (b. Caernarvon, 25 April 1284).