Seisyll ap Clydog was King of Ceredigion in Wales some time in the late 7th or early 8th century. He gave his name to the later kingdom of Seisyllwg,...

Gwynedd and Powys from 1039 to 1055. Gruffudd was the son of Llywelyn ap Seisyll, King of Gwynedd, and Angharad, daughter of Maredudd ab Owain, King of...

named for Seisyll ap Clydog, King of Ceredigion in the 7th or early 8th century, and as such he is traditionally regarded as its founder. Seisyll appears...

Owain Goch ap Gruffudd (also known as Owain Goch [Owain the Red]) (died 1282) was brother to Llywelyn ap Gruffudd and Dafydd ap Gruffudd and, for a brief...

bears his name. Hywel was the son of King Cadell ap Rhodri of Seisyllwg. He had a brother, Clydog ap Cadell, who was probably the younger of the two....

Seisyll or Seisyllt is a Welsh male given name. It may refer to: Kings Sisillius I and II, legendary kings of the Britons Seisyll ap Clydog (late 7th...

Gruffudd ap Cynan (c. 1055–1137) was King of Gwynedd from 1081 until his death in 1137. In the course of a long and eventful life, he became a key figure...

Llywelyn ap Gruffudd (c. 1223 – 11 December 1282), also known as Llywelyn II and Llywelyn the Last (Welsh: Llywelyn Ein Llyw Olaf, lit. 'Llywelyn, our...

displeasing to God. In 1194, with the aid of his cousins Gruffudd ap Cynan and Maredudd ap Cynan, he defeated Dafydd at the Battle of Aberconwy at the mouth...

Dafydd ap Gruffudd, also known as Dafydd III (11 July 1238 – 3 October 1283), was a Prince of Gwynedd until after the death of his brother, Llywelyn ap Gruffudd...

Cunedda ap Edern, also called Cunedda Wledig (reigned c. 450 – c. 460), was an important early Welsh leader, and the progenitor of the royal dynasty of...

Dafydd ap Llywelyn (c. March 1212 – 25 February 1246) was King of Gwynedd from 1240 to 1246. Though birth years of 1208, 1206, and 1215 have been put forward...

that night". In 1194, Dafydd faced a new threat from his nephew, Llywelyn ap Iorwerth, who defeated him at the battle of Aberconwy with the aid of his...

at its helm. Anarawd ap Rhodri Cadell ap Rhodri Meurig ap Rhodri Merfyn ap Rhodri Gwriad ap Rhodri Tudwal ap Rhodri Gwyddelig ap Rhodri Family tree of...

Seisyllwg Seisyll ap Clydog Arthen ap Seisyll Dyfnwallon ab Arthen Meurig ap Dyfnwallon Gwgon ap Meurig Dyfed Tewdos (Tewdwr) Maredudd ap Tewdws Rhain ap Maredudd...

490); Boddw ap Serwyl (c. 530); Arthfoddw ap Boddw (c. 570); Arthlwys ab Arthfoddw (c. 610); Clydog ab Arthlwys (c. 650); Seisyll ap Clydog, King of Seisyllwg...

daughter of Llywarch ap Hyfaidd, King of Dyfed (d. c. 904). Cadell left his territorial holdings to his sons Hywel and Clydog on his death in 909. After...

Llywelyn ap Seisyll (died 1023) was a king of Gwynedd in the 11th century who ruled over the Welsh kingdoms of Gwynedd, Powys and Deheubarth. Llywelyn...

chronicles claim he acquired it by marrying Llywarch's daughter) Seisyll ap Clydog, prince of Ceredigion (eponym and possibly founder of Seisyllwg) Arthen...

the Old) (785–c. 825) with Brochfael ap Rhys Rhys ap Arthfael, (c. 830–c. 840) Hywel ap Rhys, (c. 840–886) Owain ap Hywel (886–c. 930) Gruffydd ab Owain...

Iestyn ap Gwrgant [ˈjɛstɪn ap ˈgʊrgant] (or Jestyn ap Gwrgant) (English: Iestyn, son of Gwrgant) (1014–1093) was the last ruler of the Welsh kingdom of...

Brychan ap Anlach of Brycheiniog was a legendary 5th-century king of Brycheiniog (Brecknockshire, alternatively Breconshire) in Mid Wales. Brychan had...

diocese separate from the rest of Wales until their conquest by Gruffydd ap Llywelyn. Although it recovered its independence after his death in 1063,...

Seisyllwg Seisyll ap Clydog Arthen ap Seisyll Dyfnwallon ab Arthen Meurig ap Dyfnwallon Gwgon ap Meurig Dyfed Tewdos (Tewdwr) Maredudd ap Tewdws Rhain ap Maredudd...

history of Wales," according to Davies. In about 904, Dyfed's ruler, Llywarch ap Hyfaidd, died, leaving his daughter Elen ferch Llywarch (893-943) as his heiress...

8th century, Seisyll (king of Ceredigion) invaded, conquering Ystrad Tywi, and thus physically cleaving apart Dyfed and Brycheiniog. Rhain ap Cadwgan, great-grandson...

Ceredig ap Cunedda (died 453), was a possibly fictional or at least not well attested in reliable sources king of Ceredigion in Wales. He may have been...

Manaw) Owain ap Hywel (950–986) (Mathrafal dynasty, cadet branch of the House of Dinefwr) Maredudd ap Owain (986–999) Llywelyn ap Seisyll (999–1023), husband...

"LLYWELYN ap IORWERTH (or 'Llywelyn the Great'), often styled 'Llywelyn I', though in strictness the first prince of that name was Llywelyn ap Seisyll; 1173-1240...

Hyfaidd ap Bleddri (Hyfaidd son of Bleddri) (born c. 830 - d. c. 892) was a king of Dyfed. The Triad 68 - "Three Kings who Sprang from Villeins" - in the...