| 1. Benjamin Decoste |
 |
| B: |
Aug 1865 |
| P: |
Mulgrave, Guysborough, Nova Scotia, Canada |
| D: |
|
| P: |
|
|
| 2. Edouard de Coste |
|
| B: |
1820 |
| P: |
Havre Boucher, Antigonish, Nova Scotia, Canada |
| M: |
21 Jan 1845 |
| P: |
Havre Boucher, Antigonish, Nova Scotia, Canada |
| D: |
1881 |
| P: |
Mulgrave, Guysborough, Nova Scotia, Canada |
|
| 4. Jean-Baptiste Coste |
|
| B: |
Aft 1771 |
| P: |
Arichat, Richmond, Nova Scotia, Canada |
| M: |
1803 |
| P: |
|
| D: |
Aft 1856 |
| P: |
Havre Boucher, Antigonish, Nova Scotia, Canada |
|
| 8. Claude Coste |
=> |
|
| B: |
1730 |
| P: |
Annapolis, Nova Scotia, Canada |
| M: |
1754 |
| P: |
Arichat, Richmond, Nova Scotia, Canada |
| D: |
1805 |
| P: |
Havre Boucher, Antigonish, Nova Scotia, Canada |
|
1865 -
