A Ukrainian is suspected of involvement in the mysterious death of Antoine de Massy, the nephew of Prince Albert II of Monaco A 42-year-old Ukrainian, who has lived in Monaco for thirty years, was arrested in the principality on suspicion of involvement in the death of a 29-year-old relative of the princesses' family, Antoine de Massy (deceased in the photo). The man is charged with manslaughter and failure to render assistance to a person in danger. According to the French press, the deceased, who is in one of the public gardens in Monaco, allegedly fell from a height of thirteen meters.