Wales and its History

 Throughout medieval times Gwynedd seemed to be the most powerful of Welsh kingdoms, there were times when Deheubarth took the crown , for example hywel dda and Rhys ap Gruffydd but for the vast majority of times it was Gwynedd. Why though? Was the population of Gwynedd higher than the other kingdoms, so they had bigger armies?  Rhodri Mawr gwynedd Hywel Dda Maredudd ab Owain Llywelyn ap Seisyll Gwynedd, Powys, and Deheubarth Bleddyn ap Cynfyn Gwynedd 1063–1075 Powys 1063–1075 Gruffydd ap Llywelyn Gwynedd 1039–1063 Powys 1039–1063 Deheubarth 1055–1063

Laws of Hywel also known as Welsh law,  Was the legal system which applied to all of Wales throughout the Middle Ages until it was abolished by the Acts of Union in 1536, where Wales was annexed by England.  Here is The introduction to the Book of Blegywryd version of the laws "Hywel the Good, son of Cadell, by the grace of God, king of all Wales... summoned to him from every commote of his kingdom six men who were practised in authority and jurisprudence... to the place called the White House on the Taf in Dyfed. ... And at the end of  Lent  the king selected from that assembly the twelve most skilled laymen of his men and the one most skilled scholar who was called Master Blegywryd, to form and interpret for him and for his kingdom, laws and usages." The Iorwerth versions, produced in Gwynedd, have exactly the same attribution of the law to Hywel and the council at Whitland as do the southern versions. It is more likely that Hywel's name was used to lend some form ...