 Complete the following phrase:  David Gurieli , Davit Gurieli; , David Mamiyevich Guriel; 1818  23 August 1839 was a Georgian nobleman of the House of Gurieli. He was the last titular Prince of Guria from 24 November 1826 to 9 September 1829, but he never actually ruled because of his young age and then due to the Russian occupation of his principality. He reconciled with the Russians and returned from his Ottoman exile as a private citizen in 1832. He was subsequently trained as an officer of the Imperial Russian Army and served in the Caucasus, where he died at the 