Adela of Normandy Countess of Blois from 1089 to 1102 (1065–1137) Parents Matilda of Flanders William the Conqueror Children Odo de Blois Theobald II of Champagne Humbert de Blois, Comte de Virtus Philip of Champagne Adela de Blois Eleanor of Champagne Stephen, King of England Henry of Blois Mathilde of Blois William, Count of Sully Agnès de Blois Alice de Blois Siblings Henry I of England Cecilia of Normandy Constance of Normandy William II of England Richard of Normandy Robert Curthose Adeliza Matilda of Normandy Agatha of Normandy Alberta Partners Stephen