How to provide family living and working in Canada, proof of material?
As far as possible where they live and work provides direct evidence, such as: the names of relatives in Canada to prove property (rental agreement), job contracts, tax bills, even utility bill and so on. If you have relatives who just do not have a Canadian identity in Canada, immigration would think that they do not give your life in Canada, providing substantive support, you may not recognize extra points for your immigration application.