There are several Old Welsh pedigrees of princely "Men of the North" (Gwŷr y Gogledd) that may represent the kings of the British kingdom in the area, which may have been called Bryneich.
Hai algunhas liñaxes en antigo galés de "Homes do Norte" (Gwŷr y Gogledd) que poden representar os reis do reino britón da zona que puido chamarse Bryneich.