 Complete the following phrase:  Prince Grigol Dadiani ; 6 October 1814  24 December 1901 was a member of the Georgian noble Dadiani family of Mingrelia. He was a son of Levan V Dadiani, Prince-regt of Mingrelia, and member of the regency council for his nephew, Niko I Dadiani. As an officer in the Imperial Russian service, he took part in the Russo-Turkish, 