You need to provide two types of proof
One relationship other their residency
Proof of relationship can be
Common Grandfather name. In their passport their father's name and then in your PP your parent's name and your parents papers/passport containing their father's name
Proof of residency
Bank statement, Tax returns, lease or house papers
Buddy thanks very very much for sharing such crucial information. i understood what you mean. +1 for you.
i have only one doubt in my mind. i am going to send photocopy of all the following documents but not notarised copies. is that ok. i am going to send following documents to prove my brother is living in canada.
(1) his original birth certificate with english translation