I1. Edmund, 3rd Earl of March, 6th Earl of Ulster, *Llyswen, Wales 1.2.1352, +Cork 27.12.1381, bur Wigmore, Herefordshire; m.Reading 24.8.1369 Philippa of Clarence (*16.8.1355 +5.1.1382), heiress of Ulster and England
J1. Roger, 4th Earl of March, 7th Earl of Ulster, Lieutenant of Ireland, he was recognized by Richard II as his heir to the English crown, *Usk 11.4.1374, +murdered Kells 20.7.1398; m.7.10.1388 Alianore de Holand (+18.10.1405)
K1. Edmund, 5th Earl of March, 8th Earl of Ulster, Lieutenant of Ireland, Regent of England, *New Forest 4.11.1391, +Trim Castle 19.1.1425; m.1415 Anne Stafford (+24.9.1432), dau.of Edmund, 5th Earl of Stafford, by Anne of Gloucester
K2. Roger, *4.3.1393, +ca 1410
K3. Anne, heiress of England, *27.12.1390, +IX.1411, bur Langley; m.V.1406 Richard Plantagenet, Earl of Cambridge (*IX.1376, +5.8.1415)
K4. Eleanor, +after I.1414; m.13.5.1406 Edward Courtenay, Earl of Devon (*ca 1388, +5.12.1418)