Maud Marshal British noble (1192–1248) Parents Isabel de Clare, 4th Countess of Pembroke William Marshal, 1st Earl of Pembroke Children Ralph le Bigod Hugh Bigod Roger Bigod, 4th Earl of Norfolk John de Warenne, 6th Earl of Surrey Isabel de Warenne Isabel Bigod Siblings Sibyl Marshal Anselm Marshal, 6th Earl of Pembroke Walter Marshal, 5th Earl of Pembroke Isabel Marshal Eva Marshal Joan Marshal William Marshal, 2nd Earl of Pembroke Richard Marshal, 3rd Earl of Pembroke Gilbert Marshal, 4th Earl of Pembroke Partners William de Warenne, 5th Earl of Surrey Hugh Bigod, 3rd Earl of Norfolk