You must list all family members in your application for permanent residence, whether they are accompanying you to Canada or not. You must also provide details on family members whose location is unknown (including those missing or presumed dead). If these family members are not listed on your application, you will not be able to sponsor them at a later date.
This was under the "Dependents" info but I should be able to include my parents info here as well right? even though they're not a dependent, I can sponsor them later on.