M. R. G. Arancón (1980), ‘Ricardo de Montfort al servicio de Teobaldo II de Navarra (1266)’,
Principe de Viana
, 41, no. 160–1, 411–18, at 412, 415–16. This son’s entrée into Theobald’s service was smoothed perhaps by Eleanor’s decision, in collaboration with Simon junior, to relinquish their rights to the county of Bigorre in October 1265. The letters that recorded this deal are, though, problematic. The letter from Eleanor is dated October 1265 (the month of her flight from England), as is that from Simon junior: L. Merlet (1857), ‘Procès pour la possession du comté de Bigorre, 1254-1503’,
Bibliothèque de l’École des Chartres
, series 4, t. 3, 305–24, at 317–18 nos viii–ix; Arancón, ‘Ricardo de Montfort’, 412.