Hawaii Revised Statutes Division 3. Property; Family § 571-4

In the first circuit any judge or judges so designated by the chief justice of the supreme court shall be the judge or judges of the family court of the first circuit. The several judges of the second, third, and fifth circuits, and of any other circuits hereafter created by the legislature, shall, when exercising jurisdiction under this chapter, be judges of the family courts of their respective circuits. In any circuit in which more than one judge is authorized to exercise jurisdiction as judge of the family court, the chief justice of the supreme court shall designate one of the judges as senior judge.

Nothing in this chapter shall be construed to limit the jurisdiction and authority of any circuit judge, designated as judge of a family court, to matters within the scope of this chapter.