Hi, In Nunavit?
What time frame are you searching.
Do you know where - the YANOSHEWSKI family settled - In Canada or ?
Have you searched Census?
You have a sasktel e mail - does this name appear in Saskatchewan?
Have you posted to Message Boards in Sask.
Are you certain of the spelling ?
Have you searched: National Archive of Canada - western Land Grants.
If the person/s are deceased - the Registration of death - may show the place of birth etc.
Naturalization papers - will have personal information.