See also
| Husband: | William Heyington ( - ) | |
| Wife: | Mary Mitford (1672-1702) | |
| Name: | William Heyington | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Residence | Durham, England | |
| Name: | Mary Mitford | |
| Sex: | Female | |
| Father: | Humphrey Mitford (1632-1673) | |
| Mother: | Frances Vane (c. 1630- ) | |
| Birth | 1672 | Mitford, Northumberland, England |
| Death | 1702 (age 29-30) | |