Sergii Bortkevych (Ukrainian: Сергі́й Едуа́рдович Бортке́вич, Russian: Серге́й Эдуа́рдович Бортке́вич; 28 February 1877 – 25 October 1952) was a Ukrainian Romantic composer and pianist of Polish ancestry.Sergei Eduardovich Bortkiewicz was born in Kharkov, Russian Empire (in present-day Kharkiv, Ukraine) on 28 February 1877 in a Polish noble family (father, Edward Bortkiewicz; mother, Zofia Bortkiewicz née Uszyńska) and spent most of his childhood on the family estate of Artemivka, near Kharkiv. Bortkiewicz received his musical training from Anatoly Lyadov and Karl von Arek at the Imperial Conservatory of Music in Saint Petersburg.