633.33  Nature of proceedings in probate.
  Actions to set aside or contest wills, for the involuntary appointment of guardians and conservators, and for the establishment of contested claims shall be triable in probate as law actions, and all other matters triable in probate shall be tried by the probate court as a proceeding in equity.
[C66, 71, 73, 75, 77, 79, 81, §633.33]