1730 - 1805 (75 years)
| Benjamin Decoste 1865- |
| Benjamin Decoste | |
| B: | Aug 1865 |
| Mulgrave, Guysborough, Nova Scotia, Canada | |
 | Annie M Romer 1877-Abt 1965 |
| Annie M Romer | |
| B: | 1877 |
| Tremont, Hancock, Maine, USA | |
| M: | 29 Jun 1898 |
| Tremont, Hancock, Maine, USA | |
| D: | Abt 1965 |
| Edouard de Coste 1820-1881 |
| Edouard de Coste | |
| B: | 1820 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| D: | 1881 |
| Mulgrave, Guysborough, Nova Scotia, Canada | |
| Rosalie Ivon | |
| M: | 21 Jan 1845 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| Jean-Baptiste Coste Aft 1771-Aft 1856 |
| Jean-Baptiste Coste | |
| B: | Aft 1771 |
| Arichat, Richmond, Nova Scotia, Canada | |
| D: | Aft 1856 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| Osite Levandier 1780-1870 |
| Osite Levandier | |
| B: | 1780 |
| Antigonish, Nova Scotia, Canada | |
| M: | 1803 |
| D: | 25 Mar 1870 |
| Antigonish, Nova Scotia, Canada | |
| Jacque Coste 1757- |
| Jacque Coste | |
| B: | 1757 |
| Port Toulouse, Nova Scotia, Canada | |
| D: | Havre Boucher, Antigonish, Nova Scotia, Canada |
| Charlotte Coste 1826-1916 |
| Charlotte Coste | |
| B: | 27 May 1826 |
| Tracadie, Antigonish, Nova Scotia, Canada | |
| D: | 28 May 1916 |
| Tracadie, Antigonish, Nova Scotia, Canada | |
| Jean Boudreau 1825-1915 |
| Jean Boudreau | |
| B: | 25 Dec 1825 |
| Tracadie, Antigonish, Nova Scotia, Canada | |
| M: | 8 Feb 1847 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| D: | 2 May 1915 |
| Tracadie, Antigonish, Nova Scotia, Canada | |
| Jean Coste 1789-1872 |
| Jean Coste | |
| B: | 1789 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| D: | 23 May 1872 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| Marie Anne Eulalie Briand 1791-1870 |
| Marie Anne Eulalie Briand | |
| B: | 30 Jun 1791 |
| M: | Abt 1809 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| D: | 24 Feb 1870 |
| Tracadie, Antigonish, Nova Scotia, Canada | |
| Jean Coste, Sr 1760-1844 |
| Jean Coste, Sr | |
| B: | 15 Nov 1760 |
| Port Toulouse, Nova Scotia, Canada | |
| D: | 2 Aug 1844 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| Ludivine Benoit 1765-1812 |
| Ludivine Benoit | |
| B: | 13 May 1765 |
| Arichat, Richmond, Nova Scotia, Canada | |
| D: | 29 Jan 1812 |
| Arichat, Richmond, Nova Scotia, Canada | |
| Genevieve Mius 1786-1866 |
| Genevieve Mius | |
| B: | 1786 |
| Nova Scotia, Canada | |
| D: | 25 Mar 1866 |
| Nova Scotia, Canada | |
| Felicien Coste 1767- |
| Felicien Coste | |
| B: | 4 Aug 1767 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| D: | Havre Boucher, Antigonish, Nova Scotia, Canada |
| Marguerite Coste 1753- |
| Marguerite Coste | |
| B: | 1753 |
| Port Toulouse, Nova Scotia, Canada | |
| Madeline Coste 1756- |
| Madeline Coste | |
| B: | 1756 |
| Port Toulouse, Nova Scotia, Canada | |
| Julienne-Helene Coste 1765- |
| Julienne-Helene Coste | |
| B: | 6 Jun 1765 |
| Port Toulouse, Nova Scotia, Canada | |
| Barbe Coste Abt 1771- |
| Barbe Coste | |
| B: | Abt 1771 |
| Pelagie Coste -Aft 1859 |
| Pelagie Coste | |
| B: | Arichat, Richmond, Nova Scotia, Canada |
| D: | Aft 1859 |
|
| Claude Coste 1730-1805 |
| Claude Coste | |
| B: | 1730 |
| Annapolis, Nova Scotia, Canada | |
| D: | 1805 |
| Havre Boucher, Antigonish, Nova Scotia, Canada | |
| Marguerite Vigneau 1734-1771 |
| Marguerite Vigneau | |
| B: | 24 Sep 1734 |
| Nova Scotia, Canada | |
| M: | 1754 |
| Arichat, Richmond, Nova Scotia, Canada | |
| D: | 1771 |
| Davayé, Saône-et-Loire, Bourgogne, France | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
