Haw. Rev. Stat. § 578-11: Disposition in case of death of petitioners.

Notwithstanding the death of a petitioner or the petitioners during the pendency of the petition, the court, if it finds that the best interests of the individual to be adopted will be served thereby, and, in the case of a surviving petitioner, that such petitioner so desires, may enter a decree of adoption as prayed for in the petition, effective as of the date of the filing of the petition.