Daughter of Emperor Henry of Germany, sister of Sir Laris, and cousin of Arthur, in Claris et Laris.
She married the ageing King Ladon of Gascony, but she was loved by Claris, friend of Laris. When Ladon died, King Savari of Spain tried to force her into marriage by invading her lands and capturing her, but Claris rescued her, and Claris and Lidoine were wed.
Source
Claris et Laris | 1268