Yes, you can add different family members to a health insurance plan. Usually, health insurance plans let you add the following family members to the same plan: Spouse. Dependent children (biological and legally adopted children) Dependent parents. Dependent parents-in-law. Brothers and sisters. You can opt for a family floater health insurance plan if you wish to insure your loved ones. All insured members of a family floater plan can avail up to the maximum limit of the sum insured of the policy. Moreover, such plans extend the coverage to the entire family under a single premium. This saves a lot of time and money in the long run.