What is "dindrane"

Dindrane (or Dandrane, Danbrann, Dandrenor, Dindraine, etc.) is a character in the Old French Grail romance Perlesvaus, an anonymous prose adaptation of (and sequel to) Chrétien de Troyes' great unfinished work Percival, or The Story of the Grail. A sister of King Arthur's knight Percival, who rescues her from an evil kidnapper, Dandrane lives out her days as a maiden in the Grail Castle, together with her mother (Yglais, herself a sister of King Pelles and widow of Alain "the Large", lord of the valley and castle of Kamaalot) and brother (Perlesvaus/Percival).