| Birth* | Johann (Jean-Thomas) Neiderer was born on 1 January 1785 at Felsberg, Graubunden, Switzerland. |
| Christening | He was christened on 7 November 1869 at Québec, Canada; converted from Lutheran to Catholic. |
| Marriage* | He married Charlotte Meunier dit LaFleur circa 1820 at Québec, Canada. |
| Death* | Johann (Jean-Thomas) Neiderer died on 31 August 1879 at Québec, Canada, at age 94. |
| Emigration* | He emigrated circa 1808, from Felsberg, Graubunden, Switzerland. |
| Immigration* | He immigrated circa 1808, to Québec, Canada. |
