[4] In the first decade of the thirteenth century Peter commissioned the Liber feudorum Ceritaniae, an illustrated codex cartulary for the counties of Cerdagne, Conflent, and Roussillon.

[6] However the child's younger brother James makes no mention of her and Sancha was apparently dead before the New Year, according to Nique's information.

[6] Peter participated in the Battle of Las Navas de Tolosa in 1212 which marked the turning point of Muslim domination in the Iberian peninsula.

[9] The Crown of Aragon was widespread in the area that is now southwestern France, but which at that time was under the control of vassal local princes, such as the Counts of Toulouse.

The Albigensian Crusade, begun in 1209, led to the slaughter of approximately 20,000 men, women and children, Cathar and Catholic alike.

[9] The Aragonese forces broke in panic when their king was slain and Montfort's crusaders won a crushing victory.