Mayor of Castile was queen of Navarre

Kingdom of Navarre

The Kingdom of Navarre , originally the Kingdom of Pamplona, was a European kingdom which occupied lands on either side of the Pyrenees alongside the Atlantic Ocean....

. She was originally called Muniadona (or Muñadona) and is variously called Munia (or Muña) Mayor (or just Munia or Muña). In Spanish, she is called Muniadona de Castilla. It is said that her husband Sancho III of Navarre

Sancho III of Navarre

Sancho III Garcés , called the Great , succeeded as a minor to the Kingdom of Navarre in 1004, and through conquest and political maneuvering increased his power, until at the time of his death in 1035 he controlled the majority of Christian Iberia, bearing the title of rex Hispaniarum...

 (Sancho the Great) renamed her from her contemporary name Muniadona to Mayor, for she was the eldest in her family, yet since she had an aunt of the same name, the story is clearly apocryphal. She was the daughter of Count Sancho García of Castile. Her marriage to Sancho made her Queen consort

Queen consort

A queen consort is the wife of a reigning king. A queen consort usually shares her husband's rank and holds the feminine equivalent of the king's monarchical titles. Historically, queens consort do not share the king regnant's political and military powers. Most queens in history were queens consort...

 of Navarre.

In 1029, the Count García Sánchez of Castile, Mayor's brother, was assassinated by the Vela family, Castilian exiles in León

Kingdom of León

The Kingdom of León was an independent kingdom situated in the northwest region of the Iberian Peninsula. It was founded in AD 910 when the Christian princes of Asturias along the northern coast of the peninsula shifted their capital from Oviedo to the city of León...

. Mayor's husband, Sancho the Great, claimed his role as feudal overlord to pass the county to their second son, Ferdinand

Ferdinand I of León

Ferdinand I , called the Great , was the Count of Castile from his uncle's death in 1029 and the King of León after defeating his brother-in-law in 1037. According to tradition, he was the first to have himself crowned Emperor of Spain , and his heirs carried on the tradition...

. Likewise this brought a nominal legitimate claim to the counties of Ribagorza

County of Ribagorza

The County of Ribagorza or Ribagorça was originally the independent creation of a local Basque dynasty, later absorbed into the Kingdom of Navarre, and then into the Crown of Aragon. Historically it had a strong connexion with the counties of Sobrarbe and Pallars. Its territory was the valleys of...

 and Sobrarbe

Sobrarbe

Sobrarbe is one of the Comarcas of Aragon, Spain. It is located in the northern part of the province of Huesca, part of the autonomous community of Aragon in Spain...

 to her husband, who had already taken control of them militarily.

Mayor was the mother of four sons and perhaps two daughters:

• King García Sánchez III of Navarre
• Ferdinand the Great, king of León and Castile
• Ramiro, known from a 1020 charter that also names his brother García and half-brother Ramiro I of Aragon
  Ramiro I of Aragon
  Ramiro I was de facto the first King of Aragon from 1035 until his death. Apparently born before 1007, he was the illegitimate son of Sancho III of Navarre by his mistress Sancha de Aybar...
  
  
• Gonzalo of Sobrarbe and Ribagorza
  Gonzalo of Sobrarbe and Ribagorza
  Gonzalo Sánchez was made Count of Sobrarbe and Ribagorza, two small Pyrenean counties, before 1035 by his father, Sancho III of Navarre. He succeeded to these domains after his father's death in that year and ruled them as vassal of his brother García Sánchez III until his death...
  
  
• Bernardo
• Jimena, wife of Bermudo III of León
  Bermudo III of León
  Bermudo III , king of León , son of Alfonso V of León by his wife Elvira Mendes, was the last scion of Peter of Cantabria to rule in the Leonese kingdom...
  
  
• Mayor, wife of Pons, Count of Toulouse