Events
Date of Birth: 991 or 992.
Place of Birth: unknown.
The estimated date is given by Ubieto Arteta (p. 34).
Date of Death: 18 October 1035.
The date is given by Martín Duque (p. 340) and by Ubieto Arteta (1991, p. 41).
Relationships
Father: García Sánchez II, king of Navarre.
This relationship is given by Martínez Díez (p. 38 ff), by Salazar y Acha (p. 96), and by Besga Marroquín
Mother: Jimena Fernández.
This relationship is given by Martínez Díez (p. 38 ff), by Salazar y Acha (p. 96), and by Besga Marroquín.
Spouse: Muniadonna (Mayor) de Castilla.
This relationship is given by Martínez Díez (p. 14), by Salazar y Acha (p. 97), and by Besga Marroquín.
Partner: Sancha de Aibar.
This relationship is given by Ubieto Arteta (1987, p. 57), by Salazar y Acha (p. 97), and by Besga Marroquín (n. 51).
Children (by Munia):
Mayor (about 1014 - after 1037) married Ponce III, count of Toulouse.
García V “él de Nájera” (born about 916 - died 1 September 1054), king of Navarre, married Estefanía.
Ramiro (born about 917 - died young).
Fernando I “el Magno” (died 27 December 1065), king of Castile, married Sancha de León.
Gonzalo (born about 1019 - assassinated 26 June 1045), king of Ribagorza and Sobrarbe.
Jimena (born about 1020 - died 23 November, after 1062) married Vermudo III, king of Léon.
Children (by Sancha):
Ramiro I (died 8 May 1063), king of Aragón, married (1) Gerberge de Foix; married (2) Agnès d’Aquitaine.
References
Besga Marroquín, Armando. "Sancho III el Mayor. Un rey pamplonés e hispano" in Historia 16 ( año XXVII, no. 327). [online version]
Leroy, B. Navarra genealogical table in volume 9 of Lexikon des Mittelalters. Munich: LexMA-Verlag, 1980-1998.
Martín Duque, Ángel. Sancho III el Mayor de Pamplona. El rey y su reino (1004-1035), (Gobierno de Navarra, 2007).
Martín Duque, Ángel. "Sancho III Garcés" in Diccionario Biográfico electrónico (Real Academia de la Historia).
Martínez Díez, Gonzalo. Sancho III el Mayor: rey de Pamplona, Rex Ibericus. (Madrid: 2007).
Salazar y Acha, Jaime de. Las dinastías reales de España en la Edad Media. (Real Academia de la Historia, 2021).
Ubieto Arteta, Antonio. Historia de Aragón: creación y desarrollo de la corona de Aragón (Zaragoza:1987).
Ubieto Arteta, Antonio. Orígenes de los reinos de Castilla y Aragón, (Zaragoza, 1991).
Online Biographies
Sancho III Garcés (Diccionario Biográfico electrónico; Real Academia de la Historia)