Upon the filing of a petition by a personal representative or any person interested in the estate, alleging that any person has concealed, converted, embezzled or disposed of any property belonging to the estate of a decedent or ward, or that any person has possession or knowledge of any will or codicil of a decedent, or of any instruments in writing relating to the property of such decedent or ward, the court, upon such notice it directs, may order such person to appear before it for disclosure. Refusal to appear or submit to examination, or failure to obey any lawful order based thereon, shall constitute contempt of court.