Is she your own sister, from the same bio-logical parents?
if YES, Then write to LVO by providing the following
1- birth certificate certified copies of YOU and Your Sister
2- PR card copy of your sister
3- Proof of residence of your sister in canada, Like a credit card statement, or rental agreement.
4- Also draw up a Family Tree of your family like a hierarchy chart
*** 5- most importantly... during the time of your sisters PR, process she should have listed your name as a family member, under " Additional Family Information Form"
If NO. I am very sorry, you should try to increase your points.
Regarding your wife's uncle, to claim points. Please write to LVO
1- Draw a family tree of wifes family from the grand parents of your wife. then their children (uncles and aunties of your wife) then show how is your wife's connection to your uncle.
2- Also better provide brith certificate copies of your WIFE's
grand parents,
Wifes father and mother
Uncles birth certificate
pr card copy
proof of residence in canada
I did submitted the above to claim 5 points for my bio-logical brother and i got my PER. waiting for 2nd line.