Individual Details
Robert Grace Knowles
( - )
Families
| Father | James David Knowles |
| Mother | Elizabeth Fuller Barbour 'Knowles' |
| Sibling | Rachel Kinnaird Knowles |
| Sibling | William David Knowles (1990 - 1990) |
( - )
| Father | James David Knowles |
| Mother | Elizabeth Fuller Barbour 'Knowles' |
| Sibling | Rachel Kinnaird Knowles |
| Sibling | William David Knowles (1990 - 1990) |