Individual Details
Living
( - )
Families
| Spouse | Living |
| Father | Georgios Sarantos Costas (1895 - 1957) |
| Mother | Katigo or Katherine G. Lambros (1896 - 1963) |
| Sibling | Living |
| Sibling | Stella Costas (1927 - ) |
| Sibling | Christopher George Costas (1935 - 1997) |
| Sibling | Living |