| Person | [Birth - Death] | Spouse |
|---|---|---|
| Albreda FitzWilliam | [? - ?] | Richard le Waleys |
| Catherine Fitzwilliam | [? - ?] | Thomas Wortley |
| Edmond FitzWilliam | [? - ?] | Maud |
| Edmond FitzWilliam | [? - ?] | Katherine Clifton |
| Eleanor Fitzwilliam | [? - ?] | |
| Elizabeth Fitzwilliam | [? - ?] | Robert Rockley |
| Elizabeth FitzWilliam | [? - ?] | Robert Eyre |
| Elizabeth Fitzwilliam | [? - ?] | Thomas Brudenell |
| John FitzWilliam | [? - ?] | Jane Reresby |
| John FitzWilliam | [? - ?] | Elizabeth de Clinton |
| John Fitzwilliam | [? - ?] | Eleanor Greene |
| John Fitzwilliam | [27 May 1397 - 17 September 1421] | Margaret Clarell |
| John Fitzwilliam | [? - ?] | |
| Richard FitzWilliam | [? - ?] | Elizabeth Clarell |
| Thomas FitzWilliam | [? - ?] | |
| Thomas FitzWilliam | [? - ?] | Agnes Bertram |
| William FitzWilliam | [? - ?] | Ela de Warenne |
| William FitzWilliam | [? - ?] | Agnes de Grey |
| William FitzWilliam | [? - ?] | Isabel Deincourt |
| William FitzWilliam | [? - ?] | Maud Cromwell |
| William Fitzwilliam | [? - ?] | |
| William Fitzwilliam | [? - ?] | |
| William Fitzwilliam | [? - ?] | Jane Roberts |