Eudes Archambaud was a French nobleman of the 12th century.
Eudes (Odo) was the son of William of Blois (c. 1085 – c. 1150) and Agnes, Lady of Sully.
The two brothers of Eudes (Odo), Ralph and Henry, both entered the Church, leaving Eudes (Odo) as sole secular son and successor to their parents' holdings.
Lord Eudes (Odo) was married to Matilda of Baugency and the couple had three sons:
Giles III, Lord of Sully, successor of his father
Henry, Archbishop of Bourges
Odo, Bishop of Paris