Maria Bueno
Maria Esther Andion Bueno (11 October 1939 – 8 June 2018) was a Brazilian professional tennis player. She played for eleven years in the 1950s and 1960s. She won 19 Grand Slam titles (seven in women's singles, 11 in women's doubles, and one in mixed doubles). That made her the most successful South American female tennis player in history.