 Although Tudur Hen has been historically credited since the 18th century with the construction of the Franciscan Llanfaes Friary near Bangor , Gwynedd , it has since been discovered that the building pre @-@ dated him . However , since the friary sided with Edward in the two Welsh wars since the original construction , it has been proposed that Tudur had been responsible for re @-@ building the site around 1293 following damage inflicted during that period . He made arrangements for his own interment in the south wall of the site . 
