Nancy & Hugh Langen Grand Falls Canada

I'm searching for information on
On Nancy Cox Langen b.1833 d. 1892
m. Hug Langen
Thier children:
Elizabeth b. 5-7-1869
thomasb. 3-17-1871
Hugh Edward b. 3-8-1874
Achille Andrew b. 8-7-1878

Any information on this family would be greatly appreciated.