Rhydderch ap Iestyn (died 1033) was king of Deheubarth and controlled Powys. Comparatively little has been recorded about Rhydderch ab Iestyn in the annals...

south Wales and later king of Deheubarth. Gruffydd was the son of Rhydderch ab Iestyn who had been able to take over the kingdom of Deheubarth from 1023...

Clut (Rhydderch Hael) (fl. 580; died c. 614) Riderch II of Alt Clut (fl. early 9th century) Rhydderch ap Dyfnwal (fl. 971) Rhydderch ap Iestyn (died 1033)...

Glywysing (1023–1033) Edwin ab Einion's son, Hywel ab Edwin (1033–1044) Rhydderch ap Iestyn's son, Gruffydd ap Rhydderch (1047–1055) Gruffydd ap Llywelyn...

Einion and great-grandson of Hywel Dda. When the previous king, Rhydderch ap Iestyn, who had usurped the throne, died in 1033 Hywel became king of Deheubarth...

Rhys ap Rhydderch was the brother of Gruffydd ap Rhydderch, king of Deheubarth from 1044 to 1052. Both were the sons of Rhydderch ab Iestyn, who had been...

Rhydderch ab Iestyn who had been able to take over the throne of Deheubarth from 1023 until his death in 1033. Caradog's father Gruffydd ap Rhydderch...

1043) and Iestyn ab Owain (c. 990–c. 1015) his son, Rhydderch ap Iestyn (c. 1015–1033) his son, Gruffydd ap Rhydderch (1033–1055) Gwrgant ab Ithel the...

list) – Rhys ab Owain, King (c.990–c.1000) Iestyn ab Owain, King (c.990–c.1015) Hywel ab Owain, King (c.990–c.1043) Rhydderch ap Iestyn, King (c.1015–1033)...

Seisyll (999–1023), husband of Angharad, daughter of Maredudd ab Owain Rhydderch ap Iestyn (1023–1033) Iago ap Idwal (1033–1039) Gruffydd ap Llywelyn, invader...

Seisyll 1033 date unknown - Rhydderch ap Iestyn, ruler of Gwent, Morgannwg, Deheubarth and Powys 1044 date unknown - Hywel ab Edwin, Prince of Deheubarth...

Edwin ap Hywel (d. 954) Rhydderch ap Iestyn (d. 1033) Hywel ab Edwin (d. 1044) Maredudd ab Owain ab Edwin (d. 1072) Rhys ab Owain ab Edwin (d. 1078) Rhys...

He married more than once. His first wife was Catrin (or Gwladus) verch Iestyn (b. 1041 in Powys). The name of his last wife was Gwladys ferch Rhiwallon...

Myrddin Wyllt. The Red Book is similar in content to the White Book of Rhydderch, of which it has at times been supposed to be a copy. Both are now thought...

bishop Otto Bolesławowic, Polish prince (House of Piast) (b. 1000) Rhydderch ap Iestyn, king of Gwent and Deheubarth Kallner-Amiran, D. H. (1950). "A Revised...

and Powys. In 1022, Rhain the Irishman, who claimed to be a son of Maredudd ab Owain and thereby asserted a claim to Deheubarth, was made its king. Rhain's...

Glywysing (974–c.983) Rhys ab Owain, King of Glywysing (c.990–c.1000) Ithel the Black, King of Glywysing (990) Iestyn ab Owain, King of Glywysing (c...

by her first husband. Anghered was the daughter of Maredudd ab Owain. Rhydderch ap Iestyn (1023–1033) Iago ap Idwal (1033–1039) Gruffydd ap Llywelyn (1039–1063)...

1018–1023 Rhydderch ap Iestyn Deheubarth 1023–1033 Cynan ab Iago 1014–1063 Trahaearn ap Caradog Gwynedd 1075–1081 Owain ab Edwin Hywel ab Edwin Deheubarth...

crusade between 1227 and 1231. Morgan ap Hywel was descended from Rhydderch ap Iestyn, a ruler of most of southern Wales whose grandson Caradog ap Gruffydd...

1018–1023 Rhydderch ap Iestyn Deheubarth 1023–1033 Cynan ab Iago 1014–1063 Trahaearn ap Caradog Gwynedd 1075–1081 Owain ab Edwin Hywel ab Edwin Deheubarth...

genealogies.[better source needed] Cador also had three brothers named Cyngar, Iestyn, and Selyf, all saints of Llancarfan; they are mentioned as related to Cador...

bishop Otto Bolesławowic, Polish prince (House of Piast) (b. 1000) Rhydderch ap Iestyn, king of Gwent and Deheubarth 1034 February 21 – Hawise of Normandy...