Who is considered a family member for travel insurance?

A Family Member usually means your spouse or domestic partner, child, spouse’s child, daughter-in-law, son-in-law, brother, sister, mother, father, grandparents, grandchild, step-brother, step-sister, step-parents, parents-in-law, brother-in-law, sister-in-law, aunt, uncle, niece, nephew, guardian, ward.

https://tripinsurancestore.com/your-family-member-or-traveling-companion/#:~:text=A%20Family%20Member%20usually%20means,%2C%20nephew%2C%20guardian%2C%20ward.