Family tree of Welsh monarchs

Family trees of the kings of Gwynedd, Deheubarth and  Powys and some of their more prominent relatives and heirs.[1][2][3] The early generations of these genealogies are traditional and their historical accuracy is debated by scholars.

| | | Cunedda
Gwynedd| | | | | | | | | Vortigern
Powys|

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Ceredig ap Cunedda
Ceredigion
c. 450–453| | | | Einion Yrth
Gwynedd
c. 470–480| | | | | | Cadeyern Fendigaid
Powys
430–447|
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Usai ap Ceredig (br)
Ceredigion 453–490| | Cadwallon Lawhir ap Einion
Gwynedd
480–534| | Owain Ddantgwyn
Rhos and
Powys
480-517| | Rhyddfedd Frych| | Cadell Ddyrnllwg
Powys
447–460
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Serwyl ap Usai (br)
Ceredigion 490–523| | Maelgwn Gwynedd
Gwynedd
534–547| | Cuneglasus
Rhos and
Powys
517-550| | | | | | Cyngen Glodrydd
Powys
c. 550| | | |
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Boddw ap Serwyl (br)
Ceredigion 523–560| | Rhun Hir ap Maelgwn
Gwynedd
547–586| | Meig ap Cynlas| | Einion ap Cynlas (br)
Rhos
540-c. 570| | Brochwel Ysgithrog
Powys
c. 570| | Pasgen ap Cyngen
Powys
c. 500 – c. 520|
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Arthfoddw ap Boddw
Ceredigion
560–595| | Beli ap Rhun
Gwynedd 586–599| | Cyngen ap Meig| | | | | | Cynan Garwyn
Powys
c. 560 – c. 600| | Morgan ap Pasgen
Powys
c. 520 – c. 540|
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Arthlwys ap Arthwfoddw
Ceredigion 595–630| | Iago ap Beli
Gwynedd
599–616| | Cadwallon Crisban ap Cyngen| | | | | | Selyf ap Cynan
Powys
c. 600–616|
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| | | | | Cadfan ap Iago
Gwynedd
616–625| | Idgwyn ap Cadwallon| | Eiludd Powys
Powys
616–642| | Manwgan ap Selyf
Powys
642–655| | | | Cloten ap Nowy
Dyfed
650–670
Brycheiniog
655–670
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Clydog ap Arthlwys (br)
Ceredigion 630–665| | Cadwallon ap Cadfan
Gwynedd
625–634| | Einion ap Idgwyn| | Beli ap Eiludd
Powys
655–695| | Cadafael Cadomedd ap Cynfeddw
Gwynedd
634–655| | | | Caten ap Cloten (ru)
Dyfed and Brycheiniog
670–690
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Seisyll ap Clydog
Ceredigion 665–700| | Cadwaladr
Gwynedd
655–682| | Rhufon ap Einion| | Gwylog ap Beli
Powys
695–725| | | | | | | | Cadwgan ap Caten (ru)
Dyfed and Brycheiniog
690–710
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Arthwyr ap Seisyll
Seisyllwg 700–735| | Idwal Iwrch
Gwynedd
682–720| | Meirion ap Rhufon| | Elisedd ap Gwylog
Powys
725–755| | | | | | Rhain ap Cadwgan
Dyfed
710–730
Brycheiniog
710–720| | Awst ap Cadwgan (ru)
Brycheiniog
720–735
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Dyfnwal ap Arthwyr (br)
Seisyllwg 735–770| | Rhodri Molwynog ap Idwal
Gwynedd
720–754| | Caradog ap Meirion
Gwynedd
754–798| | Brochfael ap Elisedd
Powys
755–773| | | | | | Tewdws ap Rhain (fr)
Dyfed
730–760| | Elwystl ap Awst (fr)
Brycheiniog
735–750
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Meurig ap Dyfnwal (br)
Seisyllwg 770–807| | Cynan Dindaethwy ap Rhodri
Gwynedd
798–816| | Hywel ap Rhodri Molwynog
Gwynedd
816–825| | Cadell ap Brochfael
Powys
773–808| | | | | | Maredudd ap Tewdws
Dyfed
760–797
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| | | | | Ethyllt ferch Cynan| | Gwriad ap Elidyr| | | | | | | | | Rhain ap Maredudd
Dyfed
797–808| | Owain ap Maredudd
Dyfed
808–810

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Gwgon ap Meurig
Seisyllwg 808–872| | | | | Merfyn Frych
Gwynedd
825–844| | Nest ferch Cadell| | Cyngen ap Cadell
Powys
808–855| | Triffyn ap Rhain
Dyfed
810–814| | Tangwystl| | Bleddri
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| | | | Angharad ferch Meurig| | Rhodri the Great b.820
Gwynedd
844–878
Powys 855–878| | | | Elisedd ap Cyngen| | | | | | | | Hyfaidd ap Bleddri
Dyfed

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| | | | Anarawd ap Rhodri
Gwynedd
878–916| | Tudwal Gloff| | Merfyn ap Rhodri
Powys
878–900| | Cadell ap Rhodri b.854
Seisyllwg
878–909| | Llywarch ap Hyfaidd
Dyfed
893–904| | Rhodri ap Hyfaidd
Dyfed
904–905|
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| | | | Idwal Foel
Gwynedd
916–942| | Alser ap Tudwal| | Llywelyn ap Merfyn
Powys
900–942| | Hywel Dda b.880
Dyfed
905–909
Deheubarth
909–950
Gwynedd
942–950
Powys
942–950| | Elen ferch Llywarch

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Meurig ap Idwal| | Iago ap Idwal
Gwynedd
950–979| | Ieuaf ap Idwal
Gwynedd
950–969| | Rhodri ap Hywel
Deheubarth
950–953| | Owain ap Hywel
Deheubarth
950–987| | Edwin ap Hywel
Deheubarth
950–954
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Idwal ap Meurig| | Hywel ap Ieuaf
Gwynedd
979–985| | Cadwallon ab Ieuaf
Gwynedd
985–986| | Einion ab Owain
d.984| | | | | | | | | | Maredudd ab Owain
Deheubarth
987–999
Gwynedd
986–999| | | |
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Iago ab Idwal ap Meurig
Gwynedd
1023–1039| | Cynan ap Hywel
Gwynedd
999–1005| | Aeddan ap Blegywryd
Gwynedd
1005–1018| | Edwin ab Einion
Deheubarth
1005–1018| | Cadell ab Einion
Deheubarth
1005–1018| | Cynfyn ap Gwerstan| | Angharad ferch Maredudd| | | | Llywelyn ap Seisyll
Gwynedd
1018–1023
Deheubarth
1018–1023| | Rhydderch ap Iestyn
Deheubarth
1023–1033
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Cynan ab Iago
1014–1063| | Trahaearn ap Caradog
Gwynedd
1075–1081| | Owain ab Edwin| | Hywel ab Edwin
Deheubarth
1033–1044| | Tewdwr ap Cadell| | Rhiwallon ap Cynfyn
1020–1069| | Bleddyn ap Cynfyn
Gwynedd
1063–1075
Powys
1063–1075| | Gruffydd ap Llywelyn
Gwynedd
1039–1063
Powys
1039–1063
Deheubarth
1055–1063| | | | Gruffydd ap Rhydderch
Deheubarth
1045–1055
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Gruffudd ap Cynan b.1055
Gwynedd
1081–1137| | Angharad ferch Owain
Deheubarth
1065-1162| | Maredudd ab Owain ab Edwin
Deheubarth
1063–1072| | Rhys ab Owain
Deheubarth
1072–1078| | Rhys ap Tewdwr
Deheubarth
1078–1093| | Gwladys ferch Rhiwallon| | Iorwerth ap Bleddyn
Powys
1075–1103| | Maredudd ap Bleddyn
Powys
1116–1132| | | | Cadwgan ap Bleddyn
Powys
1075–1111| |
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| | | Cadwaladr ap Gruffydd
1096–1172| | Gwenllian ferch Gruffydd
1097–1136| | Gruffydd ap Rhys
Deheubarth
1116–1137| | Nest ferch Rhys
1085–1136| | | | | | Susanna ferch Gruffydd| | Madog ap Maredudd
Powys
1132–1160| | Gruffydd ap Maredudd| | Owain ap Cadwgan
Powys
1111–1116| |
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Owain Gwynedd b.1100
Gwynedd
1137–1170| | Cadell ap Gruffydd
Deheubarth
1143–1153| | Maredudd ap Gruffydd
Deheubarth
1153–1155| | Anarawd ap Gruffydd
Deheubarth
1137–1143| | | | | Rhys ap Gruffydd b.1132
Deheubarth
1155–1197| | Gwenllian ferch Madog| | | | | | | | | | | | | | | | Owain Cyfeiliog
Powys Wenwynwyn
1160–1197
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Hywel ab Owain Gwynedd b.1120
Gwynedd
1170| | | Dafydd ab Owain Gwynedd
Gwynedd
1170–1195
d. 1203| | | Maelgwn ab Owain Gwynedd
Gwynedd
1170–1173| | Cynan ab Owain Gwynedd| | Rhodri ab Owain Gwynedd
1135–1195| | Gwenllian ferch Rhys| | | Gruffydd ap Rhys II
Deheubarth
1197–1201| | | Rhys Gryg
Deheubarth
1216–1234| | Angharad ferch Owain Gwynedd| | Gruffydd Maelor I
Powys Fadog
1160–1191| |
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Iorwerth Drwyndwn
1145–1174| | Marared ferch Madog| | Gruffudd ap Cynan ab Owain Gwynedd
1150–1200| | Maredudd ap Cynan ab Owain Gwynedd
1150–1212| | Tomas ap Rhodri ab Owain Gwynedd (see Anwyl of Tywyn family)| | Maelgwn ap Rhys
Deheubarth
1201–1230| | | | | Gwenllian ferch Rhys| | Ednyfed Fychan
1170–1246| | | Madog ap Gruffydd Maelor
Powys Fadog
1191–1236| | Gwenwynwyn
Powys Wenwynwyn
1197–1216
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Tangwystl Goch| | | Llywelyn the Great b.1173
Gwynedd
1195–1240
Powys
1216–1240| | | Joan Plantagenet, Lady of Wales| | | | | | Llywelyn the Elder ap Maredudd| | Goronwy ab Ednyfed
1205–1268| | Owain ap Gruffudd| | Maredudd ap Rhys Grug
d.1271| | Gruffydd II ap Madog
Powys Fadog
1236–1269| | Gruffydd ap Gwenwynwyn
Powys Wenwynwyn
1241–1287|
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| | Gruffydd ap Llywelyn
1200–1244| | Dafydd ap Llywelyn b.1215
Wales
1240–1246| | Angharad ferch Llywelyn| | Maelgwn Fychan| | Maredudd ap Llywelyn
d. 1255| | | | | | | | | | | | Rhys ap Maredudd
1250–1292| | | | | | | Owen de la Pole
1257–1293

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Llywelyn ap Gruffudd b.1223
Wales
1246–1282| | Owain Goch ap Gruffydd d. 1282
Gwynedd
1246–1255| | Dafydd ap Gruffydd
1238–1283| | Rhodri ap Gruffudd
1230–1315| | Llywelyn ap Maredudd
d.1263| | | | Tudur Hen
d.1311| | Maredydd ab Owain| | Elen ferch Maelgwn| | | | | | | Gruffydd de la Pole
d.1309

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Gwenllian of Wales
1282–1337| | Llywelyn ap Dafydd
1267–1287| | Owain ap Dafydd
1265–1325| | Tomas ap Rhodri
1300–1363| | Madog ap Llywelyn
claimant
1294–1295| | | | Goronwy ap Tudur Hen
d.1331| | | | Owain ap Maredydd| | | | Gruffudd Fychan I
Powys Fadog
1277–1283| | Madog II ap Gruffydd
Powys Fadog
1269–1277
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| | | | | | | | | | | | Owain Lawgoch
1330–1378| | | | | | | | | | | | | | | Llywelyn ab Owain| | | | Madog Crypl
1275–1304
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tomas ap Llewelyn| | | | Gruffydd of Rhuddallt
1296–1343
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| | | | | | | | | | | | | | | | | | | | | | Tudur ap Goronwy
d.1367| | Marged ferch Tomos| | Elen ferch Tomos| | Gruffudd Fychan II
d. 1369
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| | | | | | | | | | | | | | | | | | | | | | | | Maredudd ap Tudur
d.1406| | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | Owen Tudor
1400–1461| | | | | | Owain Glyndŵr
claimant
1400–1416
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| | | | | | | | | | | | | | | | | | | | | | | | House of Tudor

## References

1. ↑ Edwards, Owen (1906), A Short History of Wales, T. Fisher Unwin Ltd., p.135-139
2. ↑ Davies, R R.; Morgan, Gerald (2009). Owain Glyn Dŵr: Prince of Wales. Ceredigion: Y Lolfa. ISBN 978-1-84771-127-4.
3. ↑ Gill. Jones & Ann Morgan, Janice Dale & Margaret Dunn (2019). "Discovering Old Welsh Houses". North West Wales Dendrochronology Project. Old Welsh Houses Group, Registered Charity. p. 46-47. https://discoveringoldwelshhouses.co.uk/library/Hhistory/den 208_HH _40_Ty-Gwyn.pdf.

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