Douzepere

The Frenche kyng that ſucceded his father at the kalendes of Aprill, the .xxv. day of July, cometh to Rains to be crowned. […] After reſorte to the churche thoſe that are called the Douzeperes of Fraunce, which are twelue in nomber. The Byſhop of Rains, Landune, Langres, Beauuois, Noion and Challon, Than the kyng of Nauarre, the Dukes of Uandome, Guiſe, Niuerne, Mompenſer, and Inmalle. Theſe repreſented the Dukes of Burgundie, Normandie and Guienne, moreouer the Erles of Tolouſe, Flaunders and Champaine. Of the Byſhoppes were choſen two, Langres and Beauuois, alſo two Cardinalles, to go fetche the kyng to the church, […]

Ferumbras, despising Oliver's youthful appearance, tries to frighten him[…]; asks him to describe Charles [i.e., Charlemagne] and the douzeperes[…]; and enquires his name[…]. Oliver declaring himself to be a poor knight, Ferumbras derides him, and bids him return and send Roland, or another of the douzeperes[…].

Cortine, Corteyne, or Cortayn was the name given to the sword of Ogier, one of the celebrated Douzeperes of Charlemagne.

Cousin to the conqueror [King Arthur], as he knows well, / Known by official record as knight of his chamber / And acknowledged the mightiest king of all the Round Table. / I [Gawain] am the douzepere and duke he dubbed with his hands / In due ceremony one day before all his dear lords.