Kings of Morgannwg alias Glywysing
A Pre-Conquest Listing

Kings of Glywysing

Glywys fl. late 5th century
Gwynllyw Farfog (the Bearded) c.480-523
Cadog Ddoeth (the Wise) c.523-528
Meurig ap Caradog c.528-535
Erbig ap Meurig c.535-545
Erb ab Erbig c.545-575
Nynnio ab Erb c.575-595
Llywarch ap Nynnio c.595-620
Tewdrig ap Llywarch c.620-650 (abdicated; died c.688)
Meurig ap Tewdrig c.650-670
Ithel ab Athrwys c.670-705
Morgan (incorrectly called Mwynfawr) ab Ithel c.705-710
Ithel ap Morgan c.710-745
      Kingdom divided into three sub-kingdoms of Gwyr, Gorfynedd & Penychen-Senghenydd:
      Rhys ab Ithel c.745-770
      Rhodri ab Ithel c.745-765
      Meurig ab Ithel c.745-748
Arthfael ap Rhys c.770-810
Rhys ab Arthfael c.810-840
Meurig ab Arthfael c.840-849
Hywel ap Rhys c.849-886
Arthfael ap Hywel c.886-916
      Kingdom divided into three sub-kingdoms with Owain ap Hywel as overlord:
      Owain ap Hywel of Penychen & Senghenydd c.916-931
      Gruffudd ab Owain of Gwyr c.916-935
      Cadwgan ab Owain of Gorfynedd c.916-951

Kings of Morgannwg

Morgan Hen (the Old) ab Owain 931-975
Idwallon ap Morgan c.975-1005
Rhys ab Owain c.1005-1033
Hywel ab Owain 1033-1043
Meurig ap Hywel 1043-1065
Cadwgon ap Meurig 1065-1072
Iestyn ap Gwrgant 1072-1093