 Complete the following phrase:  The Trubetskoy family English, Трубецкие Russian, Трубяцкі Belarusian, Trubecki Polish, Trubetsky Ruthenian, Трубецький Ukrainian, Troubetzkoy French, Trubic Croatian, Trubezkoi or Trubetzkoy German, is a Russian gentry family of Ruthenian stock and Lithuanian origin, like many other princely houses of Grand Duchy of Lithuania, later prominent in Russian history, science, and arts. They are descended from Algirdass son Demetrius I Starshy 1327  12 August 1399 the 