Andregoto was one of two daughters born to Galindo II Aznárez, Count of Aragon, by his second wife, Sancha Garcés of Pamplona, a half-sister of King Sancho I of Pamplona.[1] Her father's County of Aragon had been brought into the Kingdom of Pamplona under Sancho I, and following Galindo's death in 922 was held by a Count Guntislo, apparently her illegitimate half-brother, Guntislo Galíndez. Her father's other County of Sobrarbe went to Andregoto's half-sister, Toda Galíndez, in her marriage to Count Bernard I of Ribagorza. Andregoto's marriage to Sancho's only son, then ruling Pamplona as García Sánchez I, likely occurred sometime in the mid-930s.[2]
In 971, she was ruling her own subkingdom, in the area of Lumbier.[6][7]
It has been suggested that Andregoto remarried and had further children, although details of this have not been discovered. Endregota, wife of 11th-century nobleman Sancho Macerátiz and mother of his son Sancho Sánchez, calls Queen Andregoto avuncula ('maternal aunt'), probably indicating that Endregota descended from a sister of the queen. Ubierto Arteta suggested a descent from Andregoto's full-sister, Velasquita Galíndez.
^Urraca is commonly given as daughter by García's second wife, Teresa. Gonzalo Martínez Díez in Sancho III el Mayor: rey de Pamplona, Rex Ibericus makes her daughter of Andregoto. Traditional chronology would require this to have been otherwise, as she is typically identified with Urraca, Duchess of Gascony, who died in 1041. However, Jaime de Salazar y Acha concluded that the Duchess Urraca who died in that year was a different woman, Urraca Sánchez of Castile, widow of Sancho VI William of Gascony, while Count William II's wife, Urraca Garcés of Pamplona, was dead by 1008. While this would remove the main chronological hurdle of the Martínez Díez reconstruction, Urraca still married Fernán González between 961 and 964, more than two decades after Andregoto's divorce, making Teresa more likely to have been her mother, as shown by Salazar y Acha.
Martínez Díez, Gonzalo (2005). El Condado de Castilla (711-1038): la historia frente a la leyenda (in Spanish). 2 volumes. Valladolid. ISBN84-9718-275-8.{{cite book}}: CS1 maint: location missing publisher (link)
Martínez Díez, Gonzalo (2007). Sancho III el Mayor Rey de Pamplona, Rex Ibericus (in Spanish). Madrid: Marcial Pons Historia. ISBN978-84-96467-47-7.
Ubierto Arteta, Antonio (1952). "Doña Andregoto Galindez, reina de Pamplona y condesa de Aragón". Actas del primer congreso internacional de estudios pirenáicos (in Spanish). 6: 165–179. OCLC36761875.