List of Efyrian monarchs

House of Aberffraw (1214-1324)

Name	Birth	Marriages	Death
Llywelyn I Llywelyn Fawr ap Iowerth 25 December 1214 – 11 April 1240 (25 years, 108 days)	c. 1173 Dolwyddelan Son of Iorwerth Drwyndwn and Marared ferch Madog	Joan, Lady of Wales 1205 7 children	11 April 1240 Aberconwy Abbey Age 66/67
Dafydd I Dafydd ap Llywelyn Fawr 11 April 1240 – 25 February 1246 (5 years, 320 days)	April 1212 Castell Hen Blas Son of Llywelyn I and Joan, Lady of Wales	Isabella de Braose No children	25 February 1246 Abergwyngregyn Age 33
Llywelyn II Llywelyn ap Gruffydd 25 February 1246 – 11 December 1282 (36 years, 289 days)	c. 1223 Gwynedd Son of Gruffydd ap Llywelyn Fawr and Senana ferch Caradog	Eleanor de Montfort 1275 2 children	11 December 1282 Aberedw Age 58/59
Dafydd II Dafydd ap Gruffydd 11 December 1282 – 3 October 1283 (296 days)	11 July 1238 Gwynedd Son of Gruffydd ap Llywelyn Fawr and Senana ferch Caradog	Elizabeth Ferrers after 1265 3 children	3 October 1283 Shrewsbury Age 45
Llywelyn III Llywelyn ap Dafydd 3 October 1283 – 19 April 1287 (3 years, 198 days)	1267 England Son of Dafydd II and Elizabeth Ferrers	Unmarried	19 April 1287 Bristol Castle Age 19/20
Owain I Owain ap Dafydd 19 April 1287 – 21 June 1321 (34 years, 63 days)	April 1275 England Son of Dafydd II and Elizabeth Ferrers	Marianne de Fontaine after 1265 3 children	21 June 1321 Anhwrus Age 46
Dafydd III Dafydd ap Owain 21 June 1321 – 2 January 1324 (2 years, 195 days)	16 May 1298 Castell Golollen Son of Owain I and Marianne de Fontaine	Siân ferch Gwynedd 1321 No children	2 January 1324 Anhwrus Age 46

House of Asllyt (1324-1396)

Name	Birth	Marriages	Death
Ifan Ifan Rhodri ap Owain 2 January 1324 – 13 November 1332 (8 years, 316 days)	14 June 1300 Croes-y-Tawed Son of Owain Asllyt and Elen ferch Roger	Unmarried	9 February 1332 Talyllyn Age 31
Cadwaladr I Cadwaladr ap Cadwaladr Fawr 13 November 1332 – 21 April 1355 (22 years, 159 days)	14 June 1315 Anhwrus Son of Owain Asllyt and Elen ferch Roger	Sioned ferch Daffydd Da 1341 5 children	21 April 1355 Talyllyn Age 39
Gwilym I Gwylim ap Cadwaladr 21 April 1355 – 6 June 1382 (27 years, 46 days)	20 March 1342 Caerwskwr Son of Cadwaladr I and Sioned ferch Daffydd Da	Marie de France 1362 2 children	6 June 1382 Castell Gonllanyd Age 40
Elen I Elen ferch Gwilym 6 June 1382 – 1 September 1391 (9 years, 87 days)	3 January 1363 Castell Gonllanyd Daughter of Gwilym I and Marie de France	Unmarried	1 September 1391 Calais Age 28
Nesta Nesta ferch Llywelyn 1 September 1391 – 12 April 1396 (4 years, 224 days)	3 January 1359 Densmouth Daughter of Llywelyn Lawgoch and Angharad ferch Cadwaladr	Owain II 1377 5 children	30 November 1430 Gonllyn Age 60/61

House of Glyndŵr (1396-1469)

Name	Birth	Marriages	Death
Owain II Owain ap Gruffydd 12 April 1396 – 29 May 1415 (19 years, 47 days)	1354 Sycharth Son of Gruffydd Fychan II and Elen ferch Tomas ap Llywelyn	Nesta ferch Llywelyn 1377 5 children	29 May 1415 Monnington Age 60–61
Gruffydd Gruffydd ap Owain Glyndŵr 29 May 1415 – 27 September 1445 (30 years, 121 days)	10 December 1379 Sycharth Son of Owain II and Nesta	Karine Lawgoch 1410 No children	27 September 1445 Anhwrus Age 65
Owain III Owain ap Maredudd 27 September 1445 – 24 July 1451 (5 years, 300 days)	9 November 1404 Castell Bryn Coch Son of Maredudd ab Owain Glyndŵr and Alys ferch Roger	Rhiannon Asllyt 1421 5 children	24 July 1451 Caerwskwr Age 46
Rhodri Rhodri ap Owain 24 July 1451 – 29 December 1451 (158 days)	11 March 1425 Anhwrus Son of Owain III and Rhiannon Asllyt	Unmarried	29 December 1451 Caerowyn Age 26
Elen II Elen ferch Owain 29 December 1451 – 4 April 1469 (17 years, 96 days)	9 October 1422 Mariensbourg Son of Owain III and Rhiannon Asllyt	Magnus, Prince of Denmark 1421 8 children	4 April 1469 Anhwrus Age 46