Charte d'Alaon

The Charte d'Alaon is a spurious and fraudulent charter purporting to provide a genealogy of the house of Odo the Great, Duke of Aquitaine (715 – 735). The 19th-century French historian Joseph-François Rabanis proved it to be a hoax fabricated in the 17th century. His research thus rendered a good deal of "known" Gascon and Navarrese genealogy meaningless.

Among the many otherwise unattested claims of the Charte are the descent of the dukes of Aquitaine and Gascony from the Merovingian king Charibert II. The younger sons, if there were younger sons, of Charibert are in fact unknown; as is the parentage of Odo the Great.