William Disney was born 22 June 1368 in Lincolnshire, England, United Kingdom to William De Isney (1313-1400) and Mary de Grey (1331-1360) and died 11 August 1440 Yorkshire, England, United Kingdom of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| John Disney (1408-1461) | 16 May 1408 Yorkshire, England, United Kingdom | 29 March 1461 Battle field, England, United Kingdom | Katherine Leake (1413-1492) |
Siblings
| Name | Birth | Death | Joined with |
| William De Isney (1368-1440) | 22 June 1368 Lincolnshire, England, United Kingdom | 11 August 1440 Yorkshire, England, United Kingdom | Lucy de Felton (1373-1448) |