Intermarriage between the Royal and Lordship houses has been common
throughout history. A thousand years ago females from ‘high’ families were
promised in marriage from as young as 12 or 13 years old, from the parents point
of view to ensure the prosperous future of a daughter even though the actual
marriage would not take place for many years. The man usually served at
another’s court, proved himself as a man and fought many battles, if required,
before settling down to marriage at an age of 25 to 35, being lucky to live
beyond 50 to 55.
The following is listed numerically in generations, so that
1 fathers 2, 2 fathers 3, etc. Where there are several children in a generation
their parents can be established by the use of ap and ab (meaning son of, the ab
only used if the name starts with a vowel) with ferch used for ‘daughter of’.
Although very many names, usually a single name only, with any second name being
a description of some sort (a few shown) the Welsh system of identification can
identify a specific person, the ap, ab and ferch being used sometimes in chains
of ten or twelve names.
Whilst the five tribes of Wales had been broken down
into kingdoms and later princedoms by 1000 AD and with travel taking so long,
still the hills were climbed and the rivers crossed to trade or fight with each
other. A lot of the midlands had once belonged to Wales and they had always
traded with northern England so many houses intermarried with Hereford,
Shropshire and Cheshire families, such as the Corbets from North East Shropshire
and from Northern England the Hen family, descendants of Coel Hen (Old King
Cole).
1 Gwerstan
2 Cynfyn ap Gwerstan (King of Powys)
+ Angharad (daughter of
Maredudd, Prince of Deheubarth)
3 Rhiwallon ap Cynfyn (d Mechain 1070)
3
Bleddyn ap Cynfyn (Prince of Powys/Deheubarth, b c1025 d 1075)
+ Daughter of
Brochwel ap Moelyn of Dwrcelyn, Anglesey)(m1)
+ unknown (m2)
+ Haer
(daughter of Cilin ap y Blaidd Rhydd, Lord of Gestyn Efionydd (m3)
3 Iwerydd
ferch Cynfyn
+ Edwyn ap Goronwy (Prince of Tegeingl)
3 West ferch Cynfyn
+ Ednowain ap Ithel of The Byrn
4 Meilyr ap Rhiwallon (d 1081)
4
Gwaldys ferch Rhiwallon
+ Rhys (a Prince of South Wales, d1093)
4
Janet/Sioned ferch Rhiwallon
+ Tudor ‘Walensis’, Lord of Whittington
4
Llywarch ap Bleddyn (w1)
4 Cadwgan ap Bleddyn (w1)(Prince of Powys, Lord of
Nannau. d 1111)
+ possibly daughter of Edwin ap Gronw (m1)
+ Sanan
(daughter of Dyfnal)(m2)
+ Ellyw (daughter of Cydifor ap Gollwyn)(m3)
+ Daughter of Robert ‘Picot’ of
Sai, Lord of the Clun Valley)(m4)
+ Euron (daughter of Hoedlyw ap Cadwgan ab
Elston Glodrydd)(m5)
+ Gwenllian b c1080 m1098 (daughter of Gruffyd ap Cynan,
King of Gwynedd)(m6)
4 Hunydd/Keywydh ferch Bleddyn (w1)
+ Rhydderch (Lord
of Ysterlys)
4 Gwenllian ferch Bleddyn (w1)
+ Caradog ap Trahaim
4
Maredudd/Meredith ap Bleddyn (w1) (Prince of Powys d 1132)
+ Hunydd (daughter
of Eunydd ap Gwernwy, Lord of Dyffryn Clwyd)
5 Gronw ap Cadwgan (m1)
5
Llywelyn ap Cadwgan (m1)
5 Owain ap Cadwgan (Lord of Powys, d 1116)(m1)
5
Einon ap Cadwgan (Prince/Lord of Powys, d 1123)(m2)
5 Morgan ap Cadwgan (d
1128)(m3)
5 Henry ap Cadwgan (m4)
5 Gruffydd of Nannau ap Cadwgan (m4)
+ Gwenllin/Angahrad (daughter of Dafydd, Prince of Gwynedd)
5 Maredudd ap
Cadwgan (d 1124)(m5)
+ Unknown (1124)
5 Madog ap Cadwgan (Lord of Nannau b
c1100)(m6)
+ Efa (daughter of Madog ap Philip ab Uchtryd, Lord of
Cyfeuilog)(m1)
+ Sian/Jane (daughter of Cynwrig ap Rhiwallon, Lord of Maclor
Cymraeg)(m2)
+ Efa (daughter of Einion ap Seisyll, Lord of Mathafarn)(m3)
5 Madoc ap Maredudd/Meredith (Prince of Powys, d 1160)
+ Susanna (daughter of
Gruffydd, Prince of Gwynedd)
5 Gruffydd ap Maredudd/Meredith (Lord of
Mowddwy, d 1128
+ Gwerfyl (daughter of Gwrgenas ap Howel of Caer-a-Chydewin)
5 Jorwerth, Gervase Goch ap Maredudd/Meredith (Lord of Mochnant-is-Rhayadr, d
1170)
+ Matilda (daughter of Sir Roger de Manly)
5 Ankred ferch
Maredudd/Meredith
+ Uchdryd (Outred) ap Edwin (1115)
6 Llywelyn ap Owain
6 Ieuaf/Iorworth ap Owain
6 Hunydd ferch Gruffydd of Nannau
+ Sandde Hardd
of Mostyn
6 Unknown daughter of Maredudd
+ Einon ap Hwfa ap Ithel Felyn
6 Meurig ap Madog (Lord of Nannau)
+ Gwenllian (daughter of Iorworth ap
Peredur ab Ednywain ap Bradwen
6 Rhiwallon ap Madog (Had issue but unknown)
+ Alfron (daughter of Gwrgeneu ap Hywel ab Ieuaf)
6 Einon ap Madog (unknown
issue or wife)
6 Efa ferch Madog
6 Gruffydd Maelor ap Madoc (Prince of
Powys, Lord of Bromfield, d 1191)
+ Angharad (daughter of Owain, Prince of
Gwynedd)
6 Owain Vychan ap Madoc (Lord of Mechain-Yacoed, d 1186)
+
Eleanor (daughter of Maelgwyn Vychan)
6 Einin Efell/Ellis of Chirk ap Madoc
(c1202)
6 Owen Brogyntyn ap Madoc (Lord of Edeirnion)
+ Marredd (daughter
of Einion ap Syssyllt, Lord of Canterf, Merionethshire)
6 Cynric ap Madoc
6 Gwenlian of Powys ferch Madoc
+ Rhys (a Lord of South Wales, d 4th May
1196)
6 Margaret of Powys ferch Madoc
+ Iorwerth Drwyndwn (‘broken
nose’)(d c1174)
6 Owain Cyfeilioc ap Gruffydd (Prince of Higher Powys, d
1197)
+ Gwenllian of Gwynedd (daughter of Owain, Prince of Gwynedd)
6
Madoc ap Jorwerth, Gervase Goch (d c1194)
6 Griffin ap Jorwerth, Gervase Goch
(Lord of Sutton, d c1221)
+ Matilda le Strange (daughter of Guy le Strange, m
1196 d 4th May 1242)
6 Jorwerth ap Jorwerth, Gervase Goch (Lord of
Main-y-Meifod
Issue unknown
7 Ynyr Hen ap Meurig (Lord of Nannau,
c1200-50)
+ Gwerfyl (daughter of Madog ap Llywarch Vychan)
7 Madoc ap Gruffydd Maelor (Lord of Bromfield)
+ Gwyladys (daughter of Ithel
ap Rhys, Ithel of Ewyas)
7 Gwenllian ferch Gruffydd Maelor
+ Iddon of Tref
Dudlystan
7 Llweleyn ap Owain Vychan (d by May 1241)
+ Unknown partner
7 Owen Vychan ap Owain Vychan (c 1245)
+ Unknown partner
7 Griffith ap
Owen Brogyntyn (Lord of Half Edeirnion, c1200)
Issue unknown
7 Bleddyn ap
Owen Brogyntyn (Lord of Dinmael)
Issue unknown
7 Jorwerth ap Owen
Brogyntyn (Lord of Half Edeirnion)
+ Efa (daughter of Madoc Goch, Lord of
Mowddwy)
7 Gwenwynwyn ap Owain Cyfeillioc (Prince of Powys-Cyfeiliog, d by
1218)
+ Margaret Corbet (daughter of Robert Corbet, Lord of Caus)
7 Madoc
ap Griffin (Lord of Sutton)
+ Duce/Cecilia
7 Howel ap Griffin (d c1245)
7 Griffin or Griffith Vychan ap Griffin (d c1231)
+ Agnes de Bulkeley
(daughter of Robert de Bulkeley)
8 Ynyr Fychan ap Ynyr Hen (Lord of Nannau, d
c1300)
+ Gwenhwyfar (daughter of Gruffydd ab Owain ap Gronw ab Einion ap
Seisyll
+ Gwenhwyfar (daughter of ‘y mab Enion’)
8 Einion ap Ynyr Hen
(Bishop of St. Asaph c1268 – 92)
8 Meurig Hen ap Ynyr Hen
8 Gruffydd ap
Madoc (Lord of Bromfield)
+ Emma d’Aldithly (daughter of Henry d’Aldithly)
8 Llweleyn Vychan ap Owain
Vychan
Unknown partner
8 Angharad ferch Owen Vychan
+ Griffith ap
Jorwerth Voel
8 Griffith ap Gwenwynwyn (Prince of Powys-Gwenwynwyn, d c1274)
+ Hawys le Strange (daughter of John le Strange, Lord of Knockin and
Cheswardine)
8 Madoc Goch ap Gwenwynwyn (Lord of Mowddwy and Caereinion
+
Unknown partner
8 Isabel ferch Madoc (d 1302)
+ Henry de Morf (m c1274 d
c1302)
8 Griffith of Cae Howel and Kynaston ap Griffin or Griffith Vychan
(c1313)
+ Gwenllian (daughter of Iorwerth ap Griffith)
9 Meurig Fychan ap
Ynyr Fychan (Lord of Nannau, Ancester of Lloyd of Blaenglyn)
+ Angharad
(daughter of Gruffydd ab Owain ap Bleddyn ab Owain Brogyntyn)
9 Hywel ap Ynyr
Fychan
9 Einion ap Ynyr Fychan
+ Unknown partner
9 Angharad ferch Ynyr
Fychan
+ Gwilym Powys
9 Elen ferch Ynyr Fychan
+ John ap Hywel ab
Einion Vychan ab Einion Hen
9 Gruffydd ap Ynyr Fychan
9 Llywelyn ap Ynyr
Fychan
9 Ynyr Llwyd ap Ynyr Fychan
9 Gwenhwyfar ferch Ynyr Vychan
9
Gruffydd Gethin ap Meurig Hen
+ Unknown partner
9 Llywelyn Goch ap Meurig
Hen (a poet c1360-90)
9 Gruffydd Fychan ap Gruffydd, Lord of Bromfield (Lord of Glyndwrdwy)
+
Margaret (daughter of Gruffydd ap Cadwgan
9 Angharad ferch Gruffydd, Lord of
Bromfield (d c1308)
+ William le Botiler of Wemme (Wem)(d 1283)
9 Margaret
ferch Gruffydd, Lord of Bromfield
+ Sir John Arderns (b 1266, d 1308)
9
Meredith ap Llweleyn Vychan (Lord of Mechain, d c1258)
9 Llweleyn Vychan ap
Llweleyn Vychan
9 Owen de la Pole ap Griffith (Prince of Powys-Wenwynwyn)
+ Johanna Corbet (daughter of Robert Corbet of Moreton Corbet)
9 Llewelyn of
Mochnant Ucha, etc. ap Griffith
+ Margaret (daughter of Meredith Goch, Lord
of Monchant)
9 John of Careinion ap Griffith
9 William ‘Wilcox’ de la Pole
ap Griffith (Lord of Mowddwy, d 1315)
+Eleanor (daughter of Owen ap Thomas,
Lord of Half Yacoed)
9 Griffith Vychan of Ddeuddwr, etc. ap Griffith (d
c1310)
9 David of Careinion ap Griffith
9 Margaret ap Griffith
+ Fulke
FitzWarine (1st Lord of Whitchurch, d 1315)
9 Efa ferch Madoc Goch
+
Jorwerth (Lord of Half Edeirnion)
+ Owain (ap Owain ap Bleddyn
10 Einion
ab Einion
+ Angharad (daughter of John Gethin ap Madog Kyffin
10
Gwenhwyfar ferch Einion
+ John ap Einion of Efionydd
10 Meurig Maelan ap
Gruffydd Gethin
+ Meddefus (daughter of Gruffydd ap Sion ap Gruffydd ap Hywel
ap Madog
10 Madoc Grupl ap Gruffydd Fychan (Lord of Glyndwrdwy
+ Margaret
(daughter of Rhys Fychan ap Rhys Mitchel
10 Griffith de la Pole ap Owen de la
Pole (Prince of Powys-Wenwynwyn
10 Hawys Gadarn (the hardy) ferch Owen de la
Pole (b 1291 d pre 1353)
+ John de Cherlton (1st Lord Cherlton of Powys, b
1268 d 1353)
10 Efa ferch Llywelyn of Mochnant Ucha
+ Madoc ap David, Lord
of Hendwr
10 Griffith ap William de la Pole (Lord of Mowddwy, Sheriff of
Merionethshire)
10 John ap William de la Pole (Lord of Mowddwy)
+
Catherine Corbet (daughter of Sir Foulk Corbet
11 Gwenhwyfar ferch Einion
+ John ap Einion of Efionydd
11 Elen ferch Einion
+ Gwilym ap John Llwyd
11 Lleuki ferch Meurig Maelan
+ Gruffydd ab Einion of Efionydd
11 Nest, Tanno and Elen ferch Meurig Maelon
(Nothing else known)
11 Madoc Fychan ap Madoc Grupl (Lord of Glyndwrdwy)
+
Gwenllian (daughter of Fychan, Ithel of Tegaingl)
11 Foulk ap John (Lord of
Mowddwy
11 Elizabeth ferch John (Lady of Mowddwy)
+ Sir Hugh de Burgh
12 Gruffydd Fychan ap Madoc Fychen (Lord of Glyndwrdwy)
+ Elizabeth Strange
(daughter of John le Strange, 1st Lord of Knockin)
13 Grufydd Fychan ap
Gruffydd Fychan (Lord of Glyndwrdwy)
+ Eleanor (daughter of Thomas, a Lord of
South Wales)
14 Owen Glyndwr ap Grufydd Fychan (Lord of Glyndwrdwy, Prince of
Wales, b 1359 d est1416)
+ Margaret Hanmer (daughter of David Hanmer of
Hanmer)
(His six sons and seven daughters are reported elsewhere on this web)
Owen
had one brother, Tudyr, and two sisters, Isabel and Lowri. Some of his children
and bretherin were killed because of his uprising and it is thought this branch
of the family fizzled out.
Common Misspellings of Owen Glyndwr
Owen Glyndower
Owen Glyndwr
Owen Glyn Dower
Owain Glyndower
Owain
Glyndwr
Owain Glyn Dower