Complex sentence: Also related are the spectral', connected with the otherworld realm of referred to in the Four Branches of the Mabinogi and elsewhere; however, they are described as being dazzling white rather than black in the medieval text.
Split into simpler sentences: Also related are the spectral', connected with the otherworld realm of referred to in the Four Branches of the Mabinogi and elsewhere. However, they are described as being dazzling white rather than black in the medieval text.