Sybilla Corbet

noblewoman and royal mistress (1077–1157)

Parents

• NN
• Robert Corbet, Earl of Cornwall

Children

• William, Constable
• Herbert FitzHerbert
• Sybilla of Normandy
• Rohese (?)
• Gundred (?)
• Reginald de Dunstanville, 1st Earl of Cornwall
• Robert, 1st Earl of Gloucester

Partners

• Herbert FitzHerbert
• Henry I of England