Individual Details
Living
( - )
Families
| Spouse | Living |
| Father | Andrew John Udvardy (1909 - 1989) |
| Mother | Kathryn Henson (1914 - 2003) |
| Sibling | Jane Kathyrn Udvardy (1937 - 2016) |
| Sibling | Living |
| Sibling | Living |
( - )
| Spouse | Living |
| Father | Andrew John Udvardy (1909 - 1989) |
| Mother | Kathryn Henson (1914 - 2003) |
| Sibling | Jane Kathyrn Udvardy (1937 - 2016) |
| Sibling | Living |
| Sibling | Living |