Civil War), he left only a daughter, Elizabeth de Burgh, 4th Countess of Ulster. She married Lionel of Antwerp, second surviving son of King Edward III, who held the title jure uxoris. Their only child Philippa became Countess of Ulster suo jure while her husband, Edmund Mortimer, 3rd Earl of March, held the title jure uxoris. After the death of Edmund Mortimer, 5th Earl of March and 7th Earl of Ulster, the earldoms and estates were left to his nephew, Richard of York, 3rd Duke of York, the son of Edmund's elder sister Anne de Mortimer. Along with his land and titles, Richard also inherited Mortimer's claim to the throne, which eventually led to the Wars of the Roses. After the Yorkist victory, Richard's son Edward of York was crowned Edward IV in 4 March 1461, and the Earldom of Ulster merged with the crown. The title of Earl of Ulster has subsequently been recreated six times for members of the royal family. The current incarnation of the title dates to 31 March 1928, when Prince Henry, the third son of King George V and Queen Mary, was simultaneously created Duke of Gloucester, Earl of Ulster and Baron Culloden in the Peerage of the United Kingdom. Earls Palatine of Ulster (1181) Sir John de Courcy, forfeit 1204 Earl of Ulster, Peerage of Ireland, First Creation (1205) Hugh de Lacy, 1st Earl of Ulster (1176–1243) Earls of Ulster, Peerage of Ireland, Second Creation (1264) Walter de Burgh, 1st Earl of Ulster (died 1271) Richard Óg de Burgh, 2nd Earl of Ulster (1259–1326) John de Burgh (died 1313), heir apparent to the earldom William Donn de Burgh, 3rd Earl of Ulster (1312–1333) Elizabeth de Burgh, Duchess of Clarence, 4th Countess of Ulster (1332–1363) m. Lionel of Antwerp, 1st Duke of Clarence, jure uxoris Earl of Ulster (1338–1368) Philippa, Countess of March, 5th Countess of Ulster (1355–1382) m. Edmund Mortimer, 3rd Earl of March, jure uxoris Earl of Ulster (1352–1381) Roger Mortimer, 4th Earl of March and 6th Earl of Ulster (1374–1398) Edmund Mortimer, 5th Earl of March and 7th Earl of Ulster (1391–1425) Richard of York, 3rd Duke of York, 8th Earl of Ulster (1411–1460) Edward of York, 4th Duke of York, 9th Earl of Ulster (1442–1483), merged in crown 1461 Earl of Ulster, Peerage of Ireland, Third Creation (1659) James Stuart, Duke of York and Albany (1633–1701), merged in crown 1685