She was a daughter of Theobald I of Navarre and his third wife Margaret of Bourbon.

Beatrice was married to Hugh IV, Duke of Burgundy.

[2] Beatrice’s son Hugh did not succeed his father because Hugh IV had another son, Robert, by his marriage to Yolande de Dreux.

After her husband died, Beatrice retired to the château de l'Isle-sur-Serein.

She quarrelled with her stepson Robert, and asked for protection from Philip II of France.