Were Owen Davidson and Manuela Maleeva both professional tennis players?
Owen Davidson Owen Keir Davidson (born 4 October 1943) is a former professional tennis player of the 1960s and 1970s.
Anna Dmitrieva Anna Vladimirovna Dmitrieva (Russian: Анна Владимировна Дми́триева, born 10 December 1940) is a retired female tennis player who competed for the Soviet Union.