A manuscript containing a chronology, mainly of kings and rulers of Wales (pp. 1, 33-37, 43-48, 49-60, 100, 111-113); arms, mainly of kings and rulers of Wales (pp. 2-8, 9, 99); pedigrees, mainly of kings and rulers of Wales and England (pp. 9b-88, 89-98, 224-152, 155-158, 164-186, 188); and poetry, which includes triads (pp. 38-42, 100-110, 159-163, 187, 190).
The folios of different manuscripts, or of one manuscript written by different hands at different times, have been mixed together in binding.