Children |
| 1. FITZ WILLIAMS, John, b. 1397, Sprotbrough, Yorkshire, England d. 1421 (Age 24 years) |
| 2. FITZ WILLIAM, Joan, b. Abt 1399, Sprotbrough, Yorkshire, England d. Abt 1410 (Age 11 years) |
| 3. FITZWILLIAMS, Nicholas, b. Abt 1401, Sprotbrough, Yorkshire, England d. Yes, date unknown |
| 4. FITZ WILLIAMS, Ralph, b. Abt 1403, Sprotbrough, Yorkshire, England d. Bef 1447 (Age < 43 years) |
| 5. FITZWILLIAM, Janet, b. Abt 1404, Newhall, Yorkshire, England d. Yes, date unknown |
| 6. FITZWILLIAMS, Maud, b. Abt 1405, Tattershall, Lincolnshire, England d. Yes, date unknown |
| 7. FITZ WILLIAMS, Robert, b. Abt 1407, Tattershall, Lincolnshire, England d. Bef 1427 (Age < 19 years) |
| 8. FITZ WILLIAMS, William, b. Abt 1409, Tattershall, Lincolnshire, England d. 1 Dec 1474, Plumtree, Nottinghamshire, England (Age 65 years) |
| 9. FITZ WILLIAM, John, b. Abt 1411, Sprotbrough, Yorkshire, England d. Yes, date unknown |
| 10. FITZ WILLIAM, Jane, b. Abt 1415, Sprotbrough, Yorkshire, England d. Yes, date unknown |
|