The Great Lunar Cycle: The Horse Twins and the Grail: Part 10 of 12 < Part 9 Part 11 > The Welsh Horse Twin(s) and the Grail As we have seen, the Welsh mythological corpus takes the central myth of the Horse Twins and the Gandharva-Wasteland myth, likely two parts of one cycle to begin with, and emphasizes their continuity, compressing them into a more unified narrative, thus ultimately laying the groundwork for the legends surrounding the great object of mystique, the Holy Grail. Pwyll and Rhiannon's son – Pryderi – has often been put forward as both a Horse Twin and the prototype of the grail quester. So far we have seen how he takes the same role in the Welsh version of the "Aesir-Vanir War" that is taken by Irish Aengus, Norse Freyr, Roman Titus Tatius, and the Vedic Asvins. Pryderi is born on the same night as a horse, which is raised up with him as his own, and indeed almost as his twin. After being kidnapped on the night of ...