Individual Details
Joan fitz-Alan
( - )
Families
| Spouse | Humphrey X de Bohun 7th Earl of Hereford, 6th Earl of Essex, 2nd Earl of Northampton (1341 - 1373) |
| Child | Eleanor (Alianore) de Bohun Duchess of Gloucester ( - ) |
| Child | Elizabeth Bohun (1368 - 1369) |
| Child | Mary (Maud) de Bohun Queen of England, Countess of Derby (1368 - 1394) |
| Father | Sir Richard fitz-Alan 10th Earl of Arundel ( - ) |
| Mother | Eleanor Plantagenet of Lancaster de Beaumont Countess of Arundel ( - 1372) |
| Sibling | Mary Isabel fitz-Alan Lady Blackmere (1332 - 1396) |
| Sibling | Lady Alice fitz-Alan Countess Kent (1352 - ) |