Agnes II of Donzy
Agnes II of Donzy (c. 1205–1225) was the daughter of Hervé IV of Donzy and Mahaut de Courtenay, heiress to Nevers, Auxerre and Tonnerre. In 1217 she was married to Philip, eldest son of Louis VIII, who died the next year.
In 1221 she married Guy II of Châtillon, and after her father's death in 1222 her mother associated her in ruling the three counties. Her children by Guy were Gaucher and Yolande, and she died in 1225.