See also: Thibaut II

Thibaud II or Thibaut II , king ''' of Navarre ''' but also count de Champagne ( Thibaut V of Champagne ) was born in 1237 and died the December 4th 1270.

He is the son of Thibaud Ier king de Navarre and count de Champagne and the brother of Henri Ier king de Navarre. He marries in 1255 Isabelle, princess royal of France (1242 † 1271) girl of the king Louis IX of France and Marguerite of Provence.

He inherited the throne at fourteen years, under the regency of his mother and the supervision of Jacques Ier d' Aragon, and had to face as of the beginning with problems of State.

November 27th, 1251, it the Jura the for S ( fueros in Spanish) of Navarre, and imposed a limitation on the capacity of the tycoons. Indeed, until her blackjacks years, Thibault could not normally judge without the council of a tutor, itself constrained to listen to the opinion of twelve tycoon S, made up in a kind of jury. But Thibault did not agree to subject himself to the fors and obtained Pape Alexandre IV the introduction of the French rites of oiling and crowning (in 1257 and 1259), in order to justify the divine origin of the Monarchie.

The Bourgeoisie supported the monarch, by pouring extraordinary taxes in particular to him, and the king provides them, n the other hand, of prestige and the political power. He extended the fors of Pampelune to the locality of Lanz, and that of Estella to the localities of Tiebas and Torralba. He founded Espinal in 1269.

He continues the improvement of the administration of the royal Treasury started by his predecessor, and organized the first census of the population of the kingdom, which counted then more than 30.000 fires, that is to say 150.000 inhabitants. The accounts of 1266 made it possible to note that 6,75% of the receipts were assigned to the civil administration, 33,84% with the military administration and 59,6% at the royal house.

He found a support at Saint Louis, which granted his/her Isabelle daughter in marriage to Thibault in 1255. Consequently, Saint Louis played the part of referee in the foreign relations of his son-in-law. Thus, Alphonse X authorized the use of the ports of Fontarrabie and San Sebastián by Navarre (which needed some for its exports), as long as Thibault would live, and this following a promise of marriage between Blanche of France, girl of Saint Louis, and Ferdinand of Cerda, heir to Alphonse X.

In July 1270, it embarked with his father-in-law for a Croisade with Tunis, where the king of France found death. The Navarrese died him with the return of the crusade, before to have even reached the peninsula.