Ysaie le Triste [E.say´ lĕ Treest], son of Tristram and Ysolde (wife of King Mark of Cornwall). The adventures of this young knight form the subject of a French romance called Isaie le Triste (1522).

I did not think it necessary to contemplate the exploits ... with the gravity of Isaie le Triste.--Dunlop.

Ysolde or Ysonde (2 syl.), surnamed “The Fair,” daughter of the king of Ireland. When Sir Tristram was wounded in fighting for his uncle, Mark, he went to Ireland, and was cured by the Fair Ysolde. On his return to Cornwall he gave his uncle such a glowing account of the young princess that he was sent to propose offers of marriage, and to conduct the lady to Cornwall. The brave young knight and the fair damsel fell in love with each other on their voyage, and, although Ysolde married King Mark, she retained to the end her love for Sir Tristram. King Mark, jealous of his nephew, banished him from Cornwall, and he went to Wales, where he performed prodigies of valor. In time his uncle invited him back to Cornwall, but, the guilty intercourse being renewed, he was banished a second time. Sir Tristram now wandered over Spain, Ermonie, and Brittany, winning golden opinions by his exploits. In Brittany he married the king’s daughter, Ysolde or Ysonde of the White Hand, but neither loved her nor lived with her. The rest of the tale is differently told by different authors. Some say he returned to Cornwall, renewed his love with Ysolde the Fair, and was treacherously stabbed by his uncle Mark. Others say he was severely wounded in Brittany, and sent for his aunt, but died before her arrival. When Ysolde the Fair heard of his death, she died of a broken heart, and King Mark buried them both in one grave, over which he planted a rose bush and a vine.

Ysolde or Ysonde or Ysolt of the White Hand, daughter of the king of Brittany. Sir Tristram married her for her name’s sake, but never loved her nor lived with her, because he loved his aunt, Ysolde the Fair (the young wife of King Mark), and it was a point of chivalry for a knight to love only one woman, whether widow, wife, or maid.

Yuhid´thiton, chief of the Az´tecas, the mightiest in battle and wisest in council. He succeeded Co´anocot´zin (5 syl.), as king of the tribe, and led the people from the south of the Missouri to Mexico.--Southey, Madoc (1805).

Yvetot [Eve.toe], a town in Normandy; the lord of the town was called le roi d’Yvetot. The tale is that Clotaire, son of Clovis, having slain the lord of Yvetot before the high altar of Soissons, made atonement to the heirs by conferring on them the title of king. In the sixteenth century the title was exchanged for that of prince souverain, and the whole fiction was dropped not long after. Béranger has a poem called “Le Roi d’Yvetot,” which is understood to be a satirical fling at the great Napoleon. The following is the first stanza:

Il était un roi d’Yvetot

Peu connu dans l’histoire;

Se levant tard, se couchant tôt,

Dormant, fort bien sans gloire,