Thomas de Beauchamp, 12th Earl of Warwick was born 1339 to Thomas de Beauchamp, 11th Earl of Warwick (1313-1369) and Catherine Mortimer (c1314-1369) and died 8 April 1401 of unspecified causes. He married Margaret Ferrers (?-1406) April 1381 JL . Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s.
|Offspring of Thomas de Beauchamp, 12th Earl of Warwick and Margaret Ferrers (?-1406)|
|Richard Beauchamp, 13th Earl of Warwick (1381-1439)||28 January 1381 Salwarpe, Worcestershire, England, United Kingdom||30 April 1439 Rouen, France||Elizabeth Berkeley, Baroness Lisle (c1385-1422) Elizabeth Berkeley, Baroness Lisle (c1385-1422) Isabel le Despenser (1400-1439)|