The next year, on 24 March 1312, the testament of her mother Queen Esclaramunda (Sclarmunda...regina Majoricæ) secured a bequest to her (...Sanciæ..Reginæ Siciliæ...filiæ nostræ...).

He wanted to practice strictly the Rules of Saint Francis of Assisi, and gathered around him a group that became known as "the brothers of poor life", a branch of Fraticelli or zelanti.

[4] Philip of Majorca asked his sister and his brother-in-law to intercede with the Avignon Papacy to obtain the privileges necessary for the transformation of the Santa Chiara monastery in a place where would welcome "the brothers of poor life".

The rulers had hosted at Castel Nuovo two spiritual bishops, John Bertholeo, who had just been relieved of his office of Calvi, and William of Scala, who became confessor to the Queen; however, the worst of all was certain Fra Roberto, a personal friend of Angelo Clareto, the leader of the Fraticelli.

However, the ineffectiveness of the Council of Regency forced the Pope, in his capacity as Overlord, to impose his direct rule by sending a Legate, Cardinal Aimery de Châtelus.

[6] In the first anniversary of her husband's death (20 January 1344), and under the influence of her chaplains and confessors, Sancha formally renounced to the Regency and became a nun at the convent of Santa Maria della Croce in Naples, which was known as the place of the buried-alive (sepolte vive).