Edward III King of England 1327-1377 1312-1377 | | John of Gaunt Duke of Lancaster 1340-1399 | | John Beaufort Earl of Somerset, Marquess of Dorset and Somerset 1373-1410 | | Edmund Beaufort Duke of Somerset 1406-1455 | | Margaret Beaufort | | Henry Stafford 2nd Duke of Buckingham 1455-1483 | | Edward Stafford 3rd Duke of Buckingham 1478-1521 | | Lady Mary Stafford | | Ursula Nevill | | Sir Anthony St.Leger, of Ulcombe | | Sir Warham St.Leger | | Ursula St.Leger 1609-1672 | | Col. Warham Horsmanden 1628-1691 | | Maria Horsmanden | | William Byrd Jr. 1674-1744 | | Col. William Byrd III, of Westover 1728-1777 | | Thomas Taylor Byrd | | Richard Evelyn Byrd | | William Byrd | | Richard Evelyn Byrd | | Richard Evelyn Byrd Jr. Discoverer of the South Pole 1888-1957