Mathilde of Blois countess d. 1120 (1095–1120) Parents Adela of Normandy Stephen Children Siblings Agnès de Blois Stephen, King of England Adela de Blois Theobald II of Champagne Eleanor of Champagne William, Count of Sully Odo de Blois Henry of Blois Humbert de Blois, Comte de Virtus Philip of Champagne Alice de Blois Emma de Blois Partners Richard d'Avranches, 2nd Earl of Chester