*John of Gaunt Plantegenet
born 24 June 1340 Bavon Abbey, Ghent, Flanders
died 3 February 1399 Leicester Castle, London, Middlesex, England

*Edward III King of England
born 13 November 1307 Windsor Castle, Windsor, Berkshire. England
died 21 June 1377 (frm dementia) Shene Castle, Surrey

*Philippa d'Avesnes Queen of England
born 24 June 1311 Mons, Hainault, Flanders
died 15 August 1369 Windsor Castle, Windsor, Berkshire. England
married 24 January 1327 York, Yorkshire, England

Edward "the Black" Prince of Wales born 1330 Woodstock Castle, Oxfordshire, England died 1376
Isabella Princess of England born 1332 died 1382
Joan (Joanna) Princess of England born 1334 died 1348
William Lord of Hatfield born 1336 died 1337
*Lionel "of Antwerp" Duke of Clarence Prince of England
born 29 November 1338 Antwerp, Belgium
died 17 October 1368 Alba, Cuneo, Italy
buried Augustine Friars, Clare, Suffolk, England
Edmund Plantagenet of Langley born 5 June 1341 King's Langley, Hertfordshire, England
died 1 August 1402 King's Langley, Hertfordshire, England
Blanche de la Tour born 1342 died 1342
Mary Princess of England born 1344 died 1361
Margaret Princess of England born 1346 died 1361
Thomas Prince of England born 1347 died 1348
William Duke of Windsor born 1348 died 1348
Joan Princess of England born 1349
Thomas of Woodstock Plantagenent born 7 January 1354 Woodstock Castle, Oxfordshire, England
died 8 September 1397 Smothered at Prince's Inn, Calais, France

*Catherine de Roet Duchess of Lancaster
born 1350 Picardy, Somme, France
died 10 May 1403 Lincoln, Lincolnshire, England
married 13 January 1396 Lincoln, Lincolnshire, England

John Beaufort Marquess of Somerset born about 1371 Chateau de Beaufort, Maine-et-Loire, France
died 16 March 1409/10 -- St. Catherine By The Tower Hospital, London, Middlesex, England
*Joan Beaufort Countess of Westmorland born 1375 Beaufort Castle, Anjou, France
died 13 November 1440 Howden, Yorkshire, England
Cardinal Henry Beaufort Bishop of Lincoln & Winchester
born about 1376 Chateau de Beaufort, France died 11 April 1447 Winchester, Hampshire, England
Thomas Beaufort born about January 1376/77 Chateau de Beaufort, France
died 31 December 1426 Greenwich Manor, East Greenwich, Kent, England

biographical or anecdotal information: