Blanche of Navarre (d. 1229)

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Blanche of Navarre (d. 1229)

Countess of Champagne. Born after 1177; died in childbirth in 1229; daughter of Sancho VI the Wise, king of Navarre (r. 1194–1234), andSancha of Castile and Leon (d. 1179); only sister ofBerengaria of Navarre (c. 1163–c. 1230); married Thibaut also known as Theobald III, count of Champagne, on July 1, 1199; children: Teobaldo or Theobald I (1201–1253), king of Navarre (r. 1234–1253, also known as Theobald IV of Champagne).