You can sponsor other relatives besides your immediate family members under certain circumstances

You can sponsor:

• Your brother, sister, nephew, niece, grandson or granddaughter, who are orphaned, under the age of 18, and not married or in a common-law relationship.
• Another relative if you do not have a spouse, common-law partner, or conjugal partner, or one of the following living relatives below (excluding the person you wish to sponsor) which you could sponsor instead:
  • A child
  • A Mother or Father
  • Brother or Sister
  • Uncle or Aunt
  • Nephew or Niece

AND

You do not have any of the relatives mentioned above who:

• Is a Canadian citizen, permanent resident, Indian (Native, registered under the Indian Act)
• Have an application for permanent residence that is being currently processed.

• At least 18 years of age
• A Canadian permanent resident living in Canada or a Canadian citizen
• Not in prison, bankrupt, under a removal order (if a permanent resident) or charged with a serious offence.