Definition of Seisyllwg. Meaning of Seisyllwg. Synonyms of Seisyllwg

- Seisyllwg (Welsh: [sɛiˈsəɬʊɡ]) was a petty kingdom of medieval Wales. It is unclear when it emerged as a distinct unit, but according to later sources...
- Deheubarth was united around 920 by Hywel Dda out of the territories of Seisyllwg and Dyfed, which had come into his possession. Later on, the Kingdom of...
- and eventually came to rule most of Wales. He became the sole king of Seisyllwg in 920 and shortly thereafter established Deheubarth, and proceeded to...
- of Wales) Seisyllwg, a petty kingdom from 680 to 920, comprising Ceredigion and Ystrad Tywi. In 871, Princess Angharad inherited Seisyllwg, and her husband...
- most important being Gwynedd, Powys, Deheubarth (originally Ceredigion, Seisyllwg and Dyfed) and Morgannwg (Glywysing and Gwent). Boundary changes and the...
- Dyfed Ergyng Glywysing Gwent Gwynedd Morgannwg Powys Rhwng Gwy a Hafren Seisyllwg Dumnonia Ancient Cornwall (legendary) Dukes Mann Mann & the Isles Mann...
- Merfyn. Angharad was the daughter of Meurig, who was evidently the King of Seisyllwg in southwestern Wales. She was a descendant of Cunedda through his son...
- Cadell ap Rhodri (854–909) was King of Seisyllwg, a minor kingdom in southwestern Wales, from about 872 until his death. Cadell was the second son of...
-  870/871) was a 9th-century king of Ceredigion and Ystrad Tywi (i.e., Seisyllwg) in southwest Wales. Gwgon was the son of the former king Meurig ap Dyfnwallon...
- Deheubarth out of his maternal and paternal inheritances of Dyfed and Seisyllwg in 930, ousted the Aberffraw dynasty from Gwynedd and Powys and then codified...