No. Generally, costs associated with ownership of a timeshare are not covered for trip cancellation or trip interruption benefits. You may however purchase travel insurance to cover your additional travel expenses such as airfare, etc.
The travel insurance benefit for Emergency Reunion means covering the expenses for having a family member transported to the injured or ill insured during a medical emergency. Lodging expenses are generally covered. This is sometimes referred to as “visitor to bedside” and is usually included in the medical evacuation benefit for international travel protection plans.