First marriage In 1386 her father arranged for her to be betrothed to
Robert Ferrers, 5th Baron Boteler of Wem She married
John de Greystoke, 4th Baron Greystoke (1389–1436) on 28 October 1407 in
Greystoke Castle,
Greystoke,
Cumberland, and had issue. She is buried at Black Friars Church, York. • Mary or Margery (1394 – 25 January 1457/1458). She married her stepbrother, Sir Ralph Neville, son of
Ralph Neville, 1st Earl of Westmoreland, before 1411 in
Oversley,
Warwickshire and had issue.
Second marriage , a saltire argent. Borne by Joan's progeny but with
difference a
of label three points compony of Beaufort (i.e.
compony argent and azure) , who displays the arms of Neville (
tinctures transposed in error) with a label compony of Beaufort for difference. Salisbury Roll of Arms In November 1396 Joan married, secondly, to the recently widowed
Ralph Neville, 1st Earl of Westmorland (d. 1425), Joan Beaufort and Ralph Neville had the following 14 children: •
Lady Katherine Neville (c. 1397 – c. 1483), married, firstly, on 12 January 1411
John Mowbray, 2nd Duke of Norfolk; married, secondly, Sir Thomas Strangways; married, thirdly,
John Beaumont, 1st Viscount Beaumont; married, fourthly, Sir
John Woodville (d. 12 August 1469). •
Lady Eleanor Neville (c. 1398 – 1472), married, firstly,
Richard le Despenser, 4th Baron Burghersh, married, secondly,
Henry Percy, 2nd Earl of Northumberland. •
Richard Neville, 5th Earl of Salisbury (1400–1460), married
Alice Montacute,
suo jure 5th Countess of Salisbury. Had issue • Henry Neville (c. 1402), died in infancy •
Robert Neville (1404–1457),
Bishop of Durham •
William Neville, 1st Earl of Kent (c. 1405 – 1463), married Joan Fauconberg • John Neville (c. 1406), died in infancy •
George Neville, 1st Baron Latimer (c. 1407 – 1469) •
Lady Anne Neville (c. 1408 – 1480), married
Humphrey Stafford, 1st Duke of Buckingham. • Thomas Neville (c. 1410), died as a child • Cuthbert Neville (c. 1411), died in infancy • Joan Neville (c. 1412 – 1453), became a nun of the Order of St. Clare •
Edward Neville, 3rd Baron Bergavenny (c. 1414 – 1476), married Elizabeth Beauchamp •
Lady Cecily Neville (1415–1495) ("Proud Cis"), married
Richard, 3rd Duke of York, and mothered kings
Edward IV and
Richard III. ==Life==