Francisque Michel (1858, &c.), pp. 142, &c.; Jean Pierre Sarrasin, in same vol., pp. 254-255; William of Nangis in Recueil des historiens des Gaules, xx.
For the Crusades of St Louis the chief authorities are Joinville's life of his master (whom he accompanied to Egypt on the Seventh Crusade), and de Nangis' Gesta Ludovici regis.
Besides the works of Joinville and William of Nangis, see Elie Berger, "Histoire de Blanche de Castille, reine de France," in Bibliotheque des ecoles francaises d'Athenes et de Rome, vol.
WILLIAM OF NANGIS (d.
Iii.) with the continuations of the chronicle of William of Nangis, though it has every claim to be considered as an independent work.
By Bertrada de Montfort he had three children: Philip, count of Montes; Fleury or Florus, who married the heiress of Nangis; and Cecilia, who married, first Tancred, prince of Galilee and Antioch, and secondly Pons de Saint Gilles, count of Tripoli.