She won nine in total at wimbledon, and 18 grand slams overall.
as of the Australian Open 2010, Venus Williams has 20 Grand Slams. 7 Women's Singles Slams, 11 Women's Doubles Slams and 2 Mixed Slams.
She has won 16 grand slams: 7 singles, 7 doubles, and 2 Mixed doubles.
Pete Sampras has the most Grand Slams with 14.
Mens singles - Roger Federer, 15 Slams Mens combined singles and doubles and mixed doubles - Roy Emerson, 28 Slams (12 singles, 16 doubles, 0 mixed doubles) Women's singles - Margaret Court Smith, 24 Slams Women's combined singles and doubles - Margaret Court Smith, 62 Slams (24 singles, 19 doubles, 19 mixed doubles)
Roger Federer: 16 grand slams
There are at least 3 who have won singles calendar Grand Slams: Steffi Graf, Margaret Court and Mo Connolly. Court has also won doubles Grand Slams.
Lou Gehrig, with 23 Grand Slams
two grand slams
Through the 2013 season, there were 6452 grand slams hit in baseball history. The most grand slams in a season happened in the year 2000 when 176 grand slams were hit.