Who was won more doubles titles,  Mary-Ann Eisel or Fiorella Bonicelli?
Mary-Ann Eisel: Mary–Ann Eisel (born November 25, 1946) is an American former tennis player. Mary-Ann Eisel:  She was the US Open mixed doubles champion in 1968. Fiorella Bonicelli: Fiorella Bonicelli (born 21 December 1951) is a retired professional tennis player from Uruguay. Fiorella Bonicelli:  During her career, she won the 1975 French Open mixed doubles title with Thomaz Koch. Fiorella Bonicelli:  She also won the 1976 French Open women's doubles title with Gail Lovera, defeating Kathleen Harter and Helga Niessen Masthoff 6–4, 1–6, 6–3. Fiorella Bonicelli:  At the Fed Cup, her singles record is 11–4, and doubles record 6–8.
Fiorella Bonicelli