Family: John Nelson Wallace / Mary Blain Costello (F1279)
m. 24 May 1911 | Simon Costello (1847-1921) 
|
 | Elizabeth "Lizzie" Brown (1848-1910)
|
 | Ann Jane "Jennie" Costello (1873-1952)  |
 | Simon Wilson Costello (1879- ) |
| Elizabeth Elliot Costello (1882-1949) |
| John Hacket Costello (1888- ) |
| Marguerite Pearl Costello (1889- ) |
| Mary Blain Costello (1881- )
|