Marie I, Countess of Auvergne

Marie I of Auvergne was suo jure Countess of Auvergne and Countess of Boulogne from 1424 to her death in 1437, having inherited the titles from her cousin Joan II, Countess of Auvergne. She was also styled Dame of Montgascon.

Marie was born in France in September 1376, the only child of Godfroy of Auvergne, Seigneur de Montgascon, Seigneur de RocheSavine, and his second wife Jeanne de Ventadour. Her mother died shortly after Maries birth onSeptember 1376. Her father married thirdly Blanche de Bouteiller de Senlis, which produced two halfsiblings, Antoine and Marguerite. Her father died in 1385, when Marie was nine years of age.

Source: Wikipedia