General Notes

Richard Plantagenet, 3rd Duke of York was born on 21 September 1411.
He was the son of Richard of York, 1st Earl of Cambridge and Lady Anne de Mortimer.

He married Lady Cecily Neville, daughter of Sir Ralph de Neville, 1st Earl of Westmorland and Lady Joan de Beaufort, before 18 October 1424.

He died on 30 December 1460 at age 49 in Wakefield, Yorkshire, England, killed in action. He was buried on 30 July 1476 in Collegiate Church of Fotheringhay, Fotheringhay, Northamptonshire, England. He was buried in Pontefract Castle, Pontefract, Yorkshire, West Riding, England.

Richard Plantagenet, 3rd Duke of York was also known as Richard of York. He succeeded to the title of 3rd Duke of York on 25 October 1415. He succeeded to the title of Earl of Ulster on 18 January 1424/25. He succeeded to the title of 6th Earl of March on 18 January 1424/25. He succeeded to the title of Lord Mortimer of Wigmore on 18 January 1424/25.
He was invested as a Knight on 19 May 1426.  He held the office of Constable of England on 20 January 1429/30. He was invested as a Knight, Order of the Garter (K.G.) on 22 April 1433.
He fought in the Battle of Fécamp in 1436.
He held the office of Chief Commissioner to treat with France on 20 May 1436. He held the office of Lieutenant-General and Governor of France and Normandy in 1436/37.
He fought in the storming of Pontoise in February 1436/37.
He held the office of Chief Commissioner to treat with France on 9 September 1442. He abdicated as Earl of March between September 1445 and December 1445. He held the office of Justice in Eyre of all Forests South of Trent between 14 July 1447 and July 1453 He held the office of Lieutenant of Ireland between 9 December 1447 and March 1453.
On 1448 his name was legally changed to Richard Plantagenet. He held the office of Constable of Rockingham Castle on 21 March 1451. He held the office of Steward and Warden of Rockingham Forest on 21 March 1450/51. He held the office of Protector of the Realm between 3 April 1454 and February 1455. He held the office of Keeper of the King's Mines in Devon and Cornwall on 19 July 1454.
He held the office of Captain of Calais between 28 July 1454 and 6 March 1455, and Lieutenant in the Matches there. He held the office of Lieutenant of Ireland between 1 December 1454 and 1459.
He fought in the First Battle of St. Albans on 22 May 1455, where York defeated his rival, Somerset, and the King was taken prisoner.
He held the office of Constable of Cararthen and Aberystwyth Castles, and of Careg Cennen Castle between 2 June 1455 and April 1457. He held the office of Protector of the Realm between 19 November 1455 and 25 February 1456.
On 20 November 1459 he was attainted, and all his honours and titles were declared forfeit.
He was restored to his titles and honours in October 1460.
In September 1460 the attainder of the Coventry Parliament of 1459 was annulled, and so he was restored to his titles and estates. He claimed the right to the crown of England, however, this claim was not well recevied, and he had to be satisfied with a compromise, where he as declared heir after the demise of king Henry VI, with remainder to his own heirs.
He was created Duke of Cornwall on 31 October 1460.7 He was created Prince Richard of Wales on 31 October 1460  On 9 November 1460 he was publically proclaimed as heir to King Henry VI, and was directed by the King to suppress all rebellions in England and Wales.
He fought in the Battle of Wakefield on 30 December 1460 in Wakefield, Yorkshire, where he met Queen Margaret and the Lancastrians, and his army was routed.

Children of Richard Plantagenet, 3rd Duke of York and Lady Cecily Neville:

Joan Plantagenet b. 1438, d. 1438
Anne Plantagenet+ b. 10 Aug 1439, d. 12 Jan 1476
Henry of York b. 10 Feb 1441
Edward IV Plantagenet, King of England+ b. 28 Apr 1442, d. 9 Apr 1483
Edmund Plantagenet, Earl of Rutland b. 27 May 1443, d. 30 Dec 1460
Elizabeth Plantagenet+ b. 22 Apr 1444, d. bt 7 Jan 1503 - 3 May 1504
Margaret Plantagenet b. 3 May 1446, d. 16 Apr 1503
William Plantagenet b. 7 Jul 1447
John Plantagenet b. 7 Nov 1448
Sir George Plantagenet, 1st Duke of Clarence+ b. 21 Oct 1449, d. 18 Feb 1477/78
Thomas Plantagenet b. 1450/51
Richard III Plantagenet, King of England+ b. 2 Oct 1452, d. 22 Aug 1485
Ursula Plantagenet b. 22 Jul 1455