Are Thomaz Koch and Marat Safin from the same country?
Marat Safin Marat Mubinovich Safin (Russian: Мара́т Муби́нович Са́фин ; ] , Tatar: Марат Мөбин улы Сафин "Marat Möbin uğlı Safin" ; born 27 January 1980) is a Russian politician and retired professional tennis player. He achieved the Association of Tennis Professionals (ATP) world No. 1 singles ranking on November 20, 2000. Nobody taller than Safin has ever reached his world number-one ranking. Safin is the older brother of former world No. 1 WTA player, Dinara Safina. They are the first and only brother–sister tandem in tennis history who have both achieved No. 1 rankings. On court, Safin was famous for his emotional outbursts and sometimes fiery temper.
Friedrich Koch Friedrich Ernst Koch (3 July 186230 January 1927) was a German composer, cellist and teacher. He was born in Berlin and studied cello with Robert Hausmann and composition with Woldemar Bargiel at the Berlin Hochschule für Musik. He served as a cellist in the Royal Orchestra of Berlin between 1882 and 1891, after which he accepted a position of music director (Kapellmeister) for the resort town of Baden-Baden. A year later, he returned to Berlin, where he concentrated on composing and teaching, eventually becoming a professor and director of theory at the Musikhochschule where he had studied. Kurt Weill, Pablo Sorozábal, Boris Blacher and Paul Kletzki were among his many students.