William Isham
| Father | Sir Euseby Isham |
| Mother | Anne Borlaise |
| Birth* | William Isham was born on 20 March 1587 at Braunston, England. |
| He was the son of Sir Euseby Isham and Anne Borlaise. | |
| Marriage* | William Isham married Mary Brett on 15 August 1625 at Toddington, Bedford, England. |
Family | Mary Brett |
| Child |