Haw. Rev. Stat. § 431:10A-103: Family coverage defined.

As used in this part, family coverage means a policy that insures, originally or upon subsequent amendment, an adult member of a family who shall be deemed the policyholder and any two or more eligible members of that family, including spouse, dependent children or any children under a specified age which shall not exceed nineteen years, and any other person dependent upon the policyholder.