 Harleian genealogies

The Harleian genealogies are a collection of Old Welsh genealogies preserved in British Library, Harley MS 3859.Part of the Harleian Library, the manuscript, which also contains the "Annales Cambriae" (Recension A) and a version of the "Historia Brittonum", has been dated to "c." 1100, although a date of c.1200 is also possible.