Individual Details
Living
( - )
Families
| Child | Helen ( - 1914) |
| Father | Anastasios Georgios Costianes (1847 - ) |
| Mother | Living |
| Sibling | George A. Costianes (1879 - 1948) |
| Sibling | Peter A. Costianes (1880 - 1954) |
| Sibling | Sparangau Costianes ( - 1913) |
| Sibling | Ilias Anastasios Costianes ( - ) |
| Sibling | Louis Anastasios Costianes (1892 - 1966) |
| Sibling | John Anastasios Costianes (1895 - 1980) |
| Sibling | Irene Costianes ( - 1896) |