Hawaii Organic Act § 84

That no person shall sit as a judge or juror in any case in which his relative by affinity or by consanguinity within the third degree is interested, either as a plaintiff or defendant, or in the issue of which the said judge or juror has, either directly or through such relative, any pecuniary interest; nor shall any person sit as a judge in any case in which he has been of counsel or on an appeal from any decision or judgment rendered by him, and the legislature of the Territory may add other causes of disqualification to those herein enumerated.