[4][1] The wali of Zaragoza, Muhammad ibn Lubb, besieged and ultimately destroyed the castle of Aibar, resulting in the death of the King García Íñiguez.
After the death of his father, Fortún Garcés was allowed to return to Pamplona to take his place as king.
[5] Fortún Garcés reigned with a policy very accommodating to the wishes of the Banu Qasi clan, which caused anger within the Pamplonese nobility.
[6] The reasons behind this decision reside in the fact that Sancho Garcés had a very well respected military prestige and had the support of important figures such as Count Raymond I of Pallars and Ribagorza, Count Galindo Aznárez II of Aragon and King Alfonso III of Asturias.
[7] Fortún was married to Auria, whose undocumented origin has been subject to conflicting speculation,[8][9] to whom the Códice de Roda assigns the following children:[10]