Rachmaninoff (Rachmaninov, Rakhmaninov), Sergei (Sergey) Vasilievich (Vasil'yevich) (3–20/4–1–1873, Novgorod distr.; 3–28–1943, Beverly Hills). Pianist, cond., and comp. An in-law of Yu. Konyus , whose son Boris married Tatiana Rachmaninoff in 1932, and first cousin of Ziloti (Siloti). Sergei was the fourth of six children born to Vasily Arkadievich and Liubov Petrovna (née Butakova). His father, an ex-Army officer, was of aristocratic background, charming and gregarious but irresponsible in…