== Date confusion == 

 I am getting a little bit confused with the date concerning the establishment of the Kingdom of Gwynedd as I seen the date sometimes form 1216 to 1254, 
 Also I noticed there were conflicting dates between the Deheubarth and this article.This article sates the kingdom of Deheubarth directly was                  d established in 1216 in the creation of the Principality of Wales while the Deheubarth article stated that it ended in 1197 almost 20 years before the creation of the principality of Wales.