She was active in the political life of the kingdom, along with her half-brothers Henry I of Champagne, Theobald V of Blois, and William, archbishop of Reims. Henry and Theobald were married to daughters of Louis VII and his first wife Eleanor of Aquitaine.
Although her power decreased after the accession of Philip in 1180, she acted as regent of the kingdom in 1190 while Philip was away on the Third Crusade. She returned to the shadows when he returned in 1192 but participated in the founding of many abbeys.
She died on June 4, 1206, and was buried in the church of Pontigny near Auxerre.
Champagne was controlled by Count Henri of Troyes, who in 1172 had about 1900 knights in 26 castellanies.
In 1190 after the family of a murdered a Jew got the countess of Champagne to approve the hanging of the murderer during the Purim festival, King Philip was aroused and with a force of men surrounded the houses of the Jews.
During his absence Philip appointed the queen mother Adele of Champagne and her brother Guillaume, Archbishop of Rheims, as regents.
Marie of France, or Marie Capet, Countess of Champagne (1145 – March 11, 1198), was the elder daughter of Louis VII of France and his first wife, Eleanor of Aquitaine.
Scholastique of Champagne (died 1219), married William V of Macon
Marie of Champagne (died 1204), married Baldwin I of Constantinople