See if you may be a citizen says (about your future children):
You likely are a Canadian citizen if you…were born outside Canada and at least one of your parents was: naturalized in Canada before your birth
(There are links on that page that explain things further)
Also, from the
glossary:
Naturalization
Related term: Grant of citizenship
The formal process by which a person who is not a Canadian citizen can become a Canadian citizen. The person must usually become a permanent resident first.