Blanche of Navarre (daughter of Theobald I)

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Blanche of Navarre (1226 – 1283), also known as Blanche of Champagne, was the daughter of Theobald I of Navarre, King of Navarre and Count of Champagne, and his wife Agnes of Beaujeu (daughter of Guichard IV, sire of Beaujeu and Sybille of Flanders).

Blanche was the wife of John I, Duke of Brittany. Their issue is listed under his entry.

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• Known as Infanta doña BLANCA de Navarra or Blanche of Champagne