Blanche of Navarre (fl. 1239)

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Blanche of Navarre (fl. 1239)

Duchess of Brittany. Flourished around 1239; daughter of Theobald I, king of Navarre (r. 1234–1253), and probablyAgnes of Beaujeu (d. 1231); married John I the Red, duke of Brittany; children: John II (1239–1305), duke of Brittany (r. 1286–1305).