Glywysing
- Glywys, Son of Solar (c. 470–c. 480), who gave his name to the kingdom.
- Gwynllyw, son of Glywys, ruler of Gwynllwg (c. 480–523), cantref of Glywysing
- Pawl, son of Glywys, ruler of Penychen (c. 480–540), cantref of Glywysing
- Mechwyn, son of Glywys, ruler of Gorfynydd (c. 480–c.500), cantref of Glywysing
- Cadoc, son of Gwynllyw, ruler of Gwynllwg (523–560) and Penychen (540–560), died without heirs
- Tewdrig, son of Teithfallt (490 – 493/517)
- Meurig King of Gwent is left Gwynllwg and Penychen by Cadoc (493/517 – 530–540)
- Glywysing is ruled by the Kings of Gwent until Rhys ap Ithel
- Rhys ap Ithel, son of the Kings of Gwent (c. 755–785)
- Arthfael Hen ap Rhys, (Hen the Old) (785–c. 825)
- Rhys ap Arthfael, (c. 830–c. 840)
- Hywel ap Rhys, (c. 840–886)
- Owain ap Hywel (886–c. 930)
- Gruffydd ap Owain (c. 930–934) King of Gower
- Cadwgan ap Owain (c. 930–950) King of West Glywysing
- Morgan the Old (Morgan Hen or Morgan ab Owain or Moragn Hen Fawr) (930–974) united the former kingdoms of Gwent and Glywysing in 942 under the name of Morgannwg, but they were broken up again immediately after his death, remaining separate until about 1055
- Morgan the Old's son, Owain ap Morgan (974–c. 983)
- brothers of Owain ap Morgan (dates unknown)
- his son, Rhys ab Owain (c. 990–c. 1000) who ruled Glywysing jointly with his brothers,
- Hywel ab Owain (c. 990–c. 1043) and
- Iestyn ab Owain (c. 990–c. 1015)
- his brother, Rhydderch ap Iestyn (c. 1015–1033)
- his son, Gruffydd ap Rhydderch (1033–1055)
- the invader, Gruffydd ap Llywelyn, prince of Gwynedd (1055–1063)
- Gruffydd ap Rhydderch's son, Caradog ap Gruffydd (1063–1081) who was a subject of the King of Gwent and King of Morgannwg Cadwgan ap Meurig before he deposed him and took the kingdom for himself
- Iestyn ap Gwrgan(t) (1081–1091)
Iestyn was the last ruler of an independent Morgannwg, which was thereafter in the possession of the Normans and became the lordship of Glamorgan
Read more about this topic: List Of Rulers Of Wales, Morgannwg