William of Hatfield
Son of Edward III who died shortly after birth (–)
Parents
Children
Siblings
- Blanche de la Tour Plantagenet
- Isabella de Coucy
- Mary of Waltham
- William of Windsor
- Margaret, Countess of Pembroke
- Edmund of Langley, 1st Duke of York
- Joan of England
- Lionel of Antwerp, 1st Duke of Clarence
- Thomas of England
- Thomas of Woodstock, 1st Duke of Gloucester
- Edward, the Black Prince
- Joan of England
- John of Gaunt
- John de Southeray
- Nicholas Lytlington
- Jane (?)
- Joan (?)