Elizabeth of Lancaster, Duchess of Exeter English noblewoman (1364–1425) Parents Blanche of Lancaster John of Gaunt Children John Holland, 2nd Duke of Exeter Edward de Holand Sir John Cornwall Alice de Holand Lady Constance de Holand Richard de Holand Constance Cornwall Siblings John Beaufort, 1st Earl of Somerset Joan Beaufort, Countess of Westmorland Thomas Beaufort, Duke of Exeter Henry IV of England Henry Beaufort Philippa of Lancaster Catherine of Lancaster Edward Planatagenet John Plantagenet John of Lancaster John Plantagenet Blanche Plantagenet Partners John Holland, 1st Duke of Exeter John Cornwall, 1st Baron Fanhope John Hastings, 3rd Earl of Pembroke
