Elizabeth de Burgh, 4th Countess of Ulster
Elizabeth de Burgh, Duchess of Clarence, suo jure 4th Countess of Ulster and 5th Baroness of Connaught was a Norman-Irish noblewoman who married Lionel of Antwerp, 1st Duke of Clarence. Wikipedia
Born: July 6, 1332, Carrickfergus Castle, Carrickfergus, United Kingdom
Died: December 10, 1363 (age 31 years), Dublin, Ireland
Great grandchildren: Anne de Mortimer, Edmund Mortimer, 5th Earl of March, Lady Elizabeth Percy, and more
Grandchildren: Roger Mortimer, 4th Earl of March, Elizabeth Mortimer, Philippa Mortimer, and more
Grandparents: Elizabeth de Clare, Henry, 3rd Earl of Lancaster, Maud Chaworth, and more
Children: Philippa, 5th Countess of Ulster
Spouse: Lionel of Antwerp, Duke of Clarence (m. 1342–1363)