Key facts: The Hawaii Statutory Probate Rules Code governs sibling disputes in probate proceedings; estates valued at $50,000 or less may qualify for small estate procedures; a mandatory 30-day waiting period applies before estate distribution can proceed; siblings may contest wills, challenge personal representative appointments, or dispute asset distributions; Hawaii probate courts encourage mediation as an alternative to litigation; all interested parties must receive proper notice before probate proceedings can advance; statute of limitations requirements must be satisfied to preserve dispute rights.