| Father | William Henry John Errol b. c 1883, d. 1963 |
| Mother | Josephine Antoinette de Morton b. 1891, d. 1975 |
Birth, Death, Marriage | |
| John de Morton Errol married Kathryn Mavis Cover in 1949.1 | |
Family | Kathryn Mavis Cover |
| Charts | Williams, John, descendant chart |
Citations
- [S270] Victorian Registry of Births, Deaths and Marriages, registry and index, John De Morton Errol and Kathryn Mavis Cover entry, registration no. 8102, 1949.