'Wales05'
Index links to: Lead / Letter
Families covered: Lords of Bromfield, Princes of Deheubarth, Lords of Glyndwrdwy, Lords of Mowddwy, Lords of Nannau, Lords of Sutton, Kings/Princes of Powys

Seisyll or Seisyllt
m. Trawst (dau of Cynan ap Elisedd)
1. Llywelyn ap Seisyll, Prince of Deheubarth (d 1023)
  m. Angharad Ferch of Deheubarth (dau of Maredudd, Prince of Deheubarth)
  A. Gruffydd, Prince of Deheubarth (d 1063)
  m. (c1050) Ealdgyth (d after 1070, dau of Aelfgar, Earl of Mercia)
  i. Nest Ferch
HY
  m1. Osbern FitzRichard le Scrope (b 1066, d after 1137)
HY
  m2. Trehaern ap Acaradoc, King of North Wales
a. Llywarch, Lord of Pembroke
  (1) Gladwys
HJY
  m. Owain, Prince of Gwynedd (d 12.1169)
HJY
  ii. Maredudd, King of Powys (d 1068)
  iii. Ithell (d 1068)
  B. Iwerydd
HJY
  m. (c1030) Edwin or Eadwine of Tegeingl
HJY

 

 

Gwerstan
1. Cynfyn ap Gwerstan, King of Powys
  m. Angharad Ferch of Deheubarth (dau of Maredudd, Prince of Deheubarth)
  A. Rhiwallon (d Mechain 1070)
  i. Meilyr (d 1081)
  ii. Gwaldys
HY
  m. Rhys, Prince of South Wales (d 1093)
HY
  iii. Janet / Sioned
  m. Tudor 'Walensis', Lord of Whittington
  B. Bleddyn, Prince of Powys / Deheubarth (b c1025, d 1075)
  m1. dau of Brochwel ap Moelyn of Dwrcelyn, Anglesey
  i. Llywarch
ii. Cadwgan, Prince of Powys, Lord of Nannau (d 1111)
  m1. ?? (possibly dau of Edwin ap Gronw)
  a. Gronw
  b. Llywelyn
  c. Owain, Lord of Powys (d 1116)
  (1) Llywelyn
  (2) Ieuaf / Iorwerth
  (A) Gwenllian
  m. Idnerth, Lord of Radnor
  m2. Sanan (dau of Dyfnal)
  d. Einon, Prince/Lord of Powys (dsp 1123)
  m3. Ellyw (dau of Cydifor ap Gollwyn)
  e. Morgan (d 1128)
m4. daughter of Robert 'Picot' of Sai, Lord of the Clun Valley
  f. Henry
  h. Grufydd of Nannau
  m. Gwenllin / Angharad (dau of Dafydd, Prince of Gwynedd)
  (1) Hunydd
  m. Sandde Hardd of Mostyn
  m5. Euron (dau of Hoedlyw ap Cadwgan ab Elstan Glodrydd)
  i. Maredudd (d 1124)
  m. (1124) ??
(1) daughter
  m. Einon ap Hwfa ap Ithel Felyn
  m6. (c1098) Gwenllian (b c1080, dau of Gruffyd ap Cynan, King of Gwynedd)
  j. Madog, Lord of Nannau (b c1100)
  m1. Efa (dau of Madog ap Philip ab Uchtryd, Lord of Cyfeuilog)
  (1) Meurig, Lord of Nannau
  m. Gwenllian (dau of Iorwerth ap Peredur ab Ednywain ap Bradwen)
(A) Ynyr Hen, Lord of Nannau (a 1200-50)
  m. Gwerfyl (dau of Madog ap Llywarch Vychan ap Llywarch Goch)
  (i) Ynyr Fychan, Lord of Nannau (d c1300)
  m1. Gwenhwyfar (dau of Gruffydd ab Owain ap Gronw ab Einion ap Seisyll)
  (a) Meurig Fychan, Lord of Nannau ancestor of Lloyd of Blaenglyn, etc
  m. Gwladus (dau of Gruffydd ab Owain ap Bleddyn ab Owain Brogybntyn)
  (b) Hywel ancestor of Vaughan of Nannau, etc
  (c) Einion
  ((1)) Einion
  m. Angharad (dau of John Gethin ap Madog Kyffin)
  ((A)) Gwenhwyfar
  m. John ab Einion of Efionydd
  ((B)) Elen
  m. Gwilym ap John Llwyd
  ((2)) Gwenhwyfar see just below @@
  m. John ab Einion of Efionydd
  (d) Angharad
  m. Gwilym Powys
(e) Elen
  m. John ap Hywel ab Einion Vychan ab Einion Hen
  (f)+ other issue - Gruffydd, Llywelyn, Ynyr Llwyd
  m2. Gwenhwyfar (dau of 'y mab Enion')
  (i) Einion
  (g) Gwenhwyfar
  BLG1999 (Lloyd of Blanglyn) mentions this daughter Gwenhwyfar, noting that she did marry, but shows the Gwenhwyfar who married John/Ievan of Efionydd family just above @@. Identifying her as this Gwenhwyfar is done by BP1934 (Newborough) which we provisionally follow.
  m. Ievan ap Einion
  (ii) Einion, Bishop of St. Asaph (a 1268, 1292)
  (iii) Meurig Hen
  (a) Gruffydd Gethin
  ((1)) Meurig Maelan
  m. Meddefus (dau of Gruffydd ap Sion ap Gruffydd ap Hywel ap Madog Fychan)
  ((A)) Lleuki
  m. Gruffydd ab Einion of Efionydd
  ((B))+ other issue - Nest, Tanno, Elen
  (b) Llywelyn Goch (a 1360-90, poet)
(2) Rhiwallon had issue
  m. Alfron (dau of Gwrgeneu ap Hywel ab Ieuaf)
  (3) Einion had issue
  (4) Efa
  m2. Sian/Jane (dau of Cynwrig ap Rhiwallon, Lord of Maclor Cymraeg)
  m3. Efa (dau of Einion ap Seisyll, Lord of Mathafarn)
  iii. Hunydd / Keywydh
  m. Rhydderch, Lord of Ysterlys
  iv. Gwenllian
  m. Caradog ap Trahaim
  m2. ??
m3. Haer (dau of Cilin ap y Blaidd Rhydd, Lord of Gestyn Efionydd)
  v. Maredud / Meredith, Prince of Powys (d 1132)
  m1. Hunydd (dau of Eunydd ap Gwernwy, Lord of Dyffryn Clwyd)
  a. Madoc, Prince of Powys (d 1160)
  m. Susanna of Gwynedd (dau of Gruffydd, Prince of Gwynedd)
  (1) Gruffydd Maelor, Prince of Powys, Lord of Bromfield (d 1191)
  m. Angharad of Gwynedd (dau of Owain, Prince of Gwynedd)
  (A) Madoc, Lord of Bromfield
  m. Gwyladys (dau of Ithel ap Rhys, Ithel of Ewyas)
  (i) Grufydd, Lord of Bromfield
  m. Emma d'Aldithly (dau of Henry d'Aldithly)
  (a) Gruffydd Fychan, Lord of Glyndwrdwy
  m. Margaret (dau of Gruffydd ap Cadwgan ap Meilir)
  ((1)) Madoc Grupl, Lord of Glyndwrdwy
  m. Margaret (dau of Rhys Fychan ap Rhys Mitchel)
  ((A)) Madoc Fychan, Lord of Glyndwrdwy
m. Gwenllian (dau of Fychan, Ithel of Tegaingl)
  ((i)) Grufydd Fychan, Lord of Glyndwrdwy (a 1300)
  m. Elizabeth Strange (dau of John le Strange, 1st Lord of Knokyn
  ((a)) Grufydd Fychan, Lord of Glyndwrdwy
  m. Eleanor (dau of Thomas, Lord of South Wales)
(((1))) Owen Glyndwr or Glendower, Lord of Glyndwrdwy, 'Prince of Wales' (b 1359, d 1416)§G
  m. Margaret Hanmer (dau of Sir David Hanmer of Hanmer)
  Children as per Wikipedia article on Owain Glyndwr.
  (((A))) Alys
  m. Sir Henry (John) Scudamore
  (((B))) Janet of Glyndwrdwy
  m. Sir John de Croft (a 1403)
(((C))) Catrin
  m. Sir Edmund Mortimer
  (((D)))+ other issue - Gruffud, Madog, Maredudd, Tomas, John, Dafydd, Margart, Isabel, Elizabeth, Jane
  (((2))) Tudyr, Lord of Glyndwrdwy (d 15.03.1405)
  m. Maud (dau of Jeuan ap Howel)
(((A))) Lowry, heiress of Glyndwrdwy
  m. Grffith ap Einion of Corsygedol
  (((3))) Isabel of Glyndwrdwy
  m. Adda ap Iorweth Dda of Pengwern
  (((4))) Lowri of Glyndwrdwy
  m. Robert Puleston of Emral
  (b) Angharad (a 06.1308)
  m. William le Botiler of Wemme (d 1283)
  (c) Margaret
  m. Sir John Arderns (b 1266, d 1308)
  (B) Gwenllian fechan
  m. Iddon of Tref Dudlystan
(2) Owain Vychan, Lord of Mechain-Yacoed (d 1186)
  m. Eleanor (dau of Maelgwyn Vychan)
  (A) Llweleyn (d by 05.1241)
  (i) Llweleyn Vychan
  (a)+ issue - Meredith of Mechain (a 1258), Lleweleyn
  (B) Owen Vychan (a 1245)
  (i) Angharad
  m. Griffith ap Jorwerth Voel
  (3) Einin Efell / Ellis of Chirk (a 1202) = Einoin Evell (Eignion Euell), lord of Cynlleth (a 1182)
  BE1883 reports that Ellis "is supposed to have dsp" but he appears to be Einion Evell, Lord of Cynlleth, (a 1182) son of Madoc, Prince of Powys, who married & had descendants as shown.
  m. Arthen (dau of Mochrant or Madoc Vichan ap Madoc ap Urian ap Eignon ap Rees ap Jerworth benvras)
  (4) Owen Brogyntyn, Lord of Edeirnion, etc
  m. Marredd (dau of Einion ap Syssyllt, Lord of the Canterf of Merioneth)
(A) Griffith, Lord of Half Edeirnion (a 1200) had issue
  (B) Bleddyn, Lord of Dinmael had issue
  (C) Jorwerth, Lord of Half Edeirnion had issue
  m. Efa (dau of Madoc Goch, Lord of Mowddwy) @1@ below
  (5) Cynric
  (6) Gwenlian of Powys
H
  m. Rhys, Lord of South Wales (d 04.05.1196)
H
  (7) Margaret of Powys
HJY
  m. Iorwerth Drwyndwn ('broken nose') (d c1174)
HJY
  b. Gruffydd, Lord of Mowddwy (dvp 1128)
  m. Gwerfyl (dau of Gwrgenas ap Howel of Caer-a-Chydewin)
  (1) Owain Cyfeilioc, Prince of Higher Powys (d 1197)
m. Gwenllian of Gwynedd (dau of Owain, Prince of Gwynedd)
  (A) Gwenwynwyn, Prince of Powys-Cyfeiliog (d by 1218)
  There are various differences between the information provided by BE1883 (Cherlton of Powys) and RoyalData. Where applicable, these are both reported below with the information in BE1883 shown first and separated from that given by RoyalData with "OR".
  m. Margaret Corbet (dau of Robert Corbet, lord of Caus) OR Margaret (dau of Rhys, Prince of South Wales)
  (i) Griffith, Prince of Powys-Wenwynwyn (a 1274)
  m. Hawys le Strange (dau of John le Strange, Lord of Knockyn and Cheswardine) OR Margaret (dau of Howel-y-Pendolan)
  (a) Owen de la Pole, Prince of Powys-Wenwynwyn
  m. Johanna Corbet (dau of Sir Robert Corbet of Moreton Corbet) OR Hawys Corbet (dau of Philip Corbet, Baron Caus)
  TCP (Cherleton or Charleton (of Powis)) identifies Hawys's mother as Johanna Corbet.
  ((1)) Griffith de la Pole, Prince of Powys-Wenwynwyn (dsp)
  ((2)) Hawys Gadarn '(the hardy') (b 1291, d before 1353)
  m. John de Cherlton, 1st Lord Cherlton of Powys (b 1268, d 1353)
(b) Llewelyn of Mochnant Ucha, etc
  m. Margaret (dau of Meredith Goch, Lord of Mochnant)
  ((1)) Efa
  m. Madoc ap David, Lord of Hendwr
  ((A)) David, Lord of Hendwr
  ((B)) Gwerfyl
H
  m. Grong / Gruno / Goronwy (d 1331)
H
  (c) William 'Wilcox' de la Pole, Lord of Mowddwy (d 1315, 4th son)
  m. Eleanor (dau of Owen ap Thomas, Lord of Half Yacoed)
  ((1)) Griffith, Lord of Mowddwy, Sheriff of Merionethshire
  ((2)) John, Lord of Mowddwy
  m. Catherine Corbet (dau of Sir Foulk Corbet) OR Jane Corbet (dau of Sir Thomas Corbet)
  ((A)) Foulk, Lord of Mowddwy (dsp)
  ((B)) Elizabeth, lady of Mowddwy
  m. Sir Hugh de Burgh
(d) Margaret
  m. Fulke FitzWarine, 1st Lord (d 24.11.1315)
  (e)+ other issue (dsp) - John of Careinion, Griffith Vychan of Ddeuddwr etc. (a 1310), David of Careinion
  partner unknown
  (ii) Madoc Goch, Lord of Mowddwy and Caereinion (dspm)
  (a) Efa order of marriages unknown
  m. Jorwerth, Lord of Half Edeirnion @1@ above
  m. Owain (ap Owain) ap Bleddyn
  m2. Efa (dau of Blettwrs ap Ednowain Bendew, Lord of Tegiengle (Flint))
  c. Jorwerth, Gervase Goch, lord of Mochnant-is-Rhayadr (a 1170)
  m. Matilda (dau of Sir Roger de Manly of Manly (or de Marley of Marley ?))
  (1) Madoc, Lord of Sutton (dsp c1194)
(2) Griffin, Lord of Sutton (d c01.1221)
  m. (by 12.1196) Matilda le Strange (d 04.05.1242, dau of Guy le Strange, Sheriff of Salop)
  (A) Madoc, Lord of Sutton
  m. Duce or Cecilia
  (i) Isabel (d c01.1302)
  m. (before 1274) Henry de Morf (d before 1302)
  (B) Howel (a 1245)
  (C) Griffin or Griffith Vychan (a 1231)
  m. Agnes (or Jane) de Bulkeley (dau of Robert Bulkeley of Bulkeley
(i) Griffith of Cae Howel and Kynaston (a 1313)
  m. Gwenllian (dau of Iorwerth ap Griffith)
  (3) Jorwerth, Lord of Main-y-Meifod had issue
  Not known by which wife was ...
  d. Ankred
  m. Uchdryd (Outred) ap Edwin (a 1115)
  Probably of this generation, but by which wife is unknown, was ...
  vi. Efa
  m. Llewellyn 'Aurdddochog' (with the Golden Chain)
  C. West
  m. Ednowain ap Ithel of The Byrn
  Some sources show Iwerydd as another daughter of Cynfyn, King of Powys. We show her as daughter of Llywelyn, Prince of Deheubarth (above).

Main sources:
(1) For upper section : 'RoyalData'.
(2) For lower section : BE1883 (Cherlton of Powys), BLG1952 (Lloyd of Blaenglyn), BLG1999 (Lloyd, formerly of Blaenglyn).
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