Web reference for what? Who can travel. You are extended family (sibling) but the rest of your family is not. Not mention of sibling and his/her family.
Extended family members who want to unite with a Canadian citizen, person registered under Canada’s Indian Act or permanent resident
To be considered an extended family member of a Canadian citizen, person registered under Canada’s Indian Act or permanent resident, it depends on who you’re related to and how.
If your relationship is with a Canadian citizen, person registered under Canada’s Indian Act or permanent resident
You must be
- in an exclusive dating relationship, have been in the relationship for at least 1 year and have spent time in the physical presence of that person at some point during the relationship
- You and the person you’re in the relationship with must both be 18 years of age or older.
- a non-dependent child (adult child)
- a grandchild (dependent child of a non-dependent adult child)
- a sibling, half-sibling or step-sibling
- a grandparent
https://www.canada.ca/en/immigration-refugees-citizenship/services/coronavirus-covid19/visitors/immediate-family.html#extended