Question: Have Danie Visser and Pieter Aldrich won the same number of Grand Slam titles ?

Context paragraphs:
1986 Bristol Open – Doubles: Eddie Edwards and Danie Visser were the defending champions, but Edwards did not participate this year.  Visser partnered Christo Steyn.

Pieter Aldrich: Pieter ("Piet") Aldrich (born 7 September 1965) is a former professional tennis player from South Africa.  A doubles specialist, he won 2 Grand Slam men's doubles titles (1 Australian Open and 1 US Open).  Aldrich reached the World No. 1 doubles ranking in 1990.

1990 Australian Open – Men's Doubles: Rick Leach and Jim Pugh were the defending champions, but lost in the semifinals to Grant Connell and Glenn Michibata. <br>Pieter Aldrich and Danie Visser won the title, defeating Connell and Michibata 6–4, 4–6, 6–1, 6–4, in the final.

1990 Holden NSW Open – Men's Doubles: Darren Cahill and Wally Masur were the defending champions.  Cahill did not compete that year, while Masur partnered Brad Drewett, but lost in the first round. <br>Pat Cash and Mark Kratzmann won the title, defeating Pieter Aldrich and Danie Visser 6–4, 7–5, in the final.

1991 Australian Open – Men's Doubles: Pieter Aldrich and Danie Visser were the defending champions, but lost in the first round to Paul Haarhuis and Mark Koevermans. <br> Scott Davis and David Pate won the title, defeating Patrick McEnroe and David Wheaton 6–1, 4–6, 6–4, 5–7, 9–7, in the final.  This was Pate's first Grand Slam title and final, despite gaining the World No. 1 ranking two weeks earlier.

Danie Visser: Danie Visser (born 26 July 1961) is a former professional tennis player from South Africa.  A doubles specialist, he won 3 Grand Slam men's doubles titles (2 Australian Open and 1 US Open).  Visser reached the World No. 1 doubles ranking in January 1990.

1994 Australian Open – Men's Doubles: Danie Visser and Laurie Warder were the defending champions, but they did not compete together this year.  Visser participated alongside Jim Grabb and was defeated in the first round by Sergio Casal and Emilio Sánchez, while Warder participated alongside Brett Steven and was defeated also in the first round by Goran Ivanišević and Marc Rosset.

Ken Rosewall: Kenneth Robert Rosewall {'1': ", '2': ", '3': 'AM, MBE', '4': "} (born 2 November 1934) is a former world top-ranking amateur and professional tennis player from Australia.  He won a record 23 tennis Majors including 8 Grand Slam singles titles and before the Open Era a record 15 Pro Slam titles and a record 35 Major finals overall.  He won the Pro Grand Slam in 1963.  Rosewall won 9 slams in doubles with a career double grand slam.  He is considered to be one of the greatest tennis players of all time.  He had a renowned backhand and enjoyed a long career at the highest levels from the early 1950s to the early 1970s.  Rosewall was one of the two best male players for about nine years and was the World No. 1 player for a number of years in the early 1960s.  He was ranked among the top 20 players, amateur or professional, every year from 1952 through 1977.  Rosewall is the only player to have simultaneously held Pro Grand Slam titles on three different surfaces (1962–1963).  At the 1971 Australian Open he became the first male player during the open era to win a Grand Slam tournament without dropping a set.

1988 Volvo International – Doubles: Jorge Lozano and Todd Witsken won in the final 6–3, 7–6 against Pieter Aldrich and Danie Visser.

1995 Nottingham Open – Doubles: Rick Leach and Danie Visser were the defending champions, but did not partner together this year.  Leach partnered Jared Palmer, losing in the semifinals.  Visser partnered Patrick Galbraith, losing in the final.

Supporting paragraphs: Danie Visser Pieter Aldrich
Answer: no