Agnes of Blois,[note 1] or de Puiset (died c. 1129) was a French noblewoman and Countess of Corbeil, Lady of Le Puiset, and Viscountess of Chartres from 1104 until her death as the wife of Hugh III of Le Puiset.
Agnes was the daughter of Stephen, Count of Blois and his wife, Adela of Normandy,[1][note 2] and thus a sister of Stephen of Blois.
[2] (later Stephen, King of England) In 1104, Agnes married Hugh III of Le Puiset.
[3] Agnes and Hugh had three children: