Vladimir Davydov
Vladimir Lvovich Davydov (Russian: Владимир Львович Давыдов; December 14 [O.S. December 2] 1871 – December 27 [O.S. December 14] 1906) was the second son of Lev and Alexandra Davydov, and nephew of the composer Pyotr Ilyich Tchaikovsky, who called him "Bob".