Please read through the Instruction Guide, paying more attention to the below noted sections:
http://www.cic.gc.ca/english/information/applications/guides/EG7TOC.asp
Factor 6: Adaptability
Item # G. Relatives in Canada (5 points)
You or, if applicable, your accompanying spouse or common-law partner has a relative, i.e. parent, grandparent, child, grandchild, brother/sister, aunt/uncle or niece/nephew, who is 18 years of age or older as of the date we receive your application, and who is a Canadian citizen of permanent resident residing in Canada.
Hope the above clarifies! Cheers!