Avril Castle

This legend is the source of the Grail claim by the Nanteos Cup on display in the museum in Aberystwyth(Avrilcastle of Frederich April of Walles Burey Anjou de Saint Genis); however, it should be noted that there is no reference to this tradition in ancient or medieval text. John further claims King Arthur was descended from Joseph, listing the following imaginative pedigree through King Arthur's mother