John OF GAUNT Prince Of England ²

  General Notes:

The Peerage:
John of Gaunt, Duke of Lancaster was born in March 1340 at St. Bavon's Abbey, Ghent, Belgium. He was the son of Edward III, King of England and Philippe d'Avesnes. He married, firstly, Blanche of Lancaster, Countess of Derby, daughter of Henry Grosmont of Derby Plantagenet, 1st Duke of Lancaster and Isabella de Beaumont, on 13 May 1359 at Reading Abbey, Reading, Berkshire, England.
He married, secondly, Constanza de Castilla, Reina de Castilla, daughter of Pedro I, Rey de Castilla y León and Maria de Padilla, on 21 September 1371 at Roquefort, Gascogne, France.
He married, thirdly, Katherine Roët, daughter of Sir Payne Roët, on 13 January 1396 at Lincoln, Lincolnshire, England. He died on 3 February 1399 at age 58 at Leicester Castle, Leicester, Leicestershire, England.5 He was buried on 15 March 1399 at Old St. Paul's Cathedral, London, England.6
He gained the title of Earl of Richmond on 20 September 1342.3 He was invested as a Knight, Order of the Garter (K.G.) in April 1361.3 As a result of his marriage, John of Gaunt, Duke of Lancaster was styled as Earl of Derby on 21 July 1361.3 As a result of his marriage, John of Gaunt, Duke of Lancaster was styled as Earl of Lancaster before 14 August 1361.3 As a result of his marriage, John of Gaunt, Duke of Lancaster was styled as Lord of Beaufort and Nogent on 14 August 1361.3 He succeeded to the title of Earl of Lincoln on 10 April 1362.3 He succeeded to the title of Earl of Leicester on 10 April 1362.3 He succeeded to the title of Earl of Derby on 10 April 1362.3 He gained the title of Duke of Lancaster on 13 November 1362.5 He gained the title of Lord de Bergerac et Roche-sur-Yon [France] on 8 October 1370.5 He and Katherine Roët were associated between 1371 and 1372.7 He abdicated as Earl of Richmond on 5 June 1372.5 As a result of his marriage, John of Gaunt, Duke of Lancaster was styled as Rey John de Léon before 6 October 1372. As a result of his marriage, John of Gaunt, Duke of Lancaster was styled as Rey John de Castilla before 6 October 1372.5 He was created Duke of Aquitaine [England] on 2 March 1390.5,8
Child of John of Gaunt, Duke of Lancaster and Marie de St. Hilaire

Blanche Plantagenet5 b. b 1360, d. bt 1388 - 1389

Children of John of Gaunt, Duke of Lancaster and Blanche of Lancaster, Countess of Derby

Philippa of Lancaster+ b. 31 Mar 1360, d. 19 Jul 1415
John of Lancaster9 b. bt 1362 - 1364
Elizabeth Plantagenet+10 b. b 21 Feb 1363, d. 24 Nov 1426
Edward Plantagenet4 b. c 1365, d. c 1365
Henry IV, King of England+ b. 3 Apr 1366, d. 20 Mar 1413
John Plantagenet4 b. b 4 May 1366
Isabella Plantagenet4 b. c 1368

Children of John of Gaunt, Duke of Lancaster and Katherine Roët

John de Beaufort, 1st Earl of Somerset+ b. bt 1371 - 1373, d. 16 Mar 1409/10
Henry de Beaufort+ b. c 1375, d. 11 Apr 1447
Lady Joan de Beaufort+ b. c 1375, d. 13 Nov 1440
Thomas de Beaufort, 1st Duke of Exeter+ b. c Jan 1377, d. 27 Dec 1426

Children of John of Gaunt, Duke of Lancaster and Constanza de Castilla, Reina de Castilla

Katherine of Lancaster+ b. bt 6 Jun 1372 - 31 Mar 1373, d. 2 Jun 1418
John Plantagenet7 b. 1374, d. 1375

John married Blanche OF LANCASTER, daughter of Henry OF GROSMONT 1st Duke of Lancaster and Isabel DE BEAUMONT, on 19 May 1359 in Queen's Chapel, Reading, Berkshire, England.¹ (Blanche OF LANCASTER was born on 25 Mar 1345 in Bolingbroke Castle, Lindsey, England and died on 12 Sep 1368 in Tutbury Castle, Staffordshire, England.)

John next married Infanta Constance OF CASTILE, daughter of Peter OF CASTILE "The Cruel" and Maria DE PADILLA, in Sep 1371 in Rochefort, sur-Mer, CharenteMaritime, France.¹ (Infanta Constance OF CASTILE was born in 1354 in Castrojeriz, Castile, Spain,¹ died on 24 Mar 1394 in Leicester Castle, Leicester, England ¹ and was buried on 24 Mar 1394 in Newark abbey, Leicestershire, England ¹.)

John next married Katherine de ROET (SWYNFORD) on 13 Jan 1397.¹ (Katherine de ROET (SWYNFORD) was born on 25 Nov 1350 in Hainaut, Belgium,⁴ died on 10 May 1403 ⁴ and was buried in Lincoln Cathedral, Lincoln, Lincolnshire, England ⁴.)