Interactive tree of Lady Margaret DeHoland Countess Sommerset

Henry (2nd Earl of Somerset) Beaufort 1401–1418

John Beaufort 1404–1444

Thomas Beaufort 1405–1431

Edmund (Marquis of Dorset) Beaufort 1406–1455

Margaret Courtenay –1449

Lady Margaret DeHoland Countess Sommerset 1385–1439

John Beaufort, 1st Earl of Somerset 1373–1410

… John of Gaunt 1340–1399

Katherine Swynford 1350–1403