Complex sentence: Vasiliy I Dmitriyevich (Russian: Василий I Дмитриевич, 30 December 1371--27 February 1425 in Moscow), Grand Prince of Moscow since 1389, oldest son of Dmitri Donskoi and Grand Princess Eudoxia, daughter of the Grand Prince Dmitry Konstantinovich of Nizhny Novgorod.
Split into simpler sentences: Vasiliy I Dmitriyevich (Russian: Василий I Дмитриевич, 30 December 1371--27 February 1425), was Grand Prince of Moscow from 1389. He was the oldest son of Dmitri Donskoi and Grand Princess Eudoxia, daughter of the Grand Prince Dmitry Konstantinovich of Nizhny Novgorod.