She has won 16 grand slams: 7 singles, 7 doubles, and 2 Mixed doubles.
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17 grand slams wow
Serena has won 18 and Venus 16 including doubles
Serena has won 12 doubles Grand Slams with her sister Venus.
Venus Williams has won seven women's Grand Slam singles titles.
two grand slams
Nadal has won 14 grand slams.
who holds the mariners career record for grand slams how many
Arthur Ashe won three grand slams.
2 grand slams (as on 5 July 2010)
Rafael Nadal has Won 9 Grand Slams!
Bjorn Borg has won 11 Grand Slams in his carrier.
Andre ethier has hit 2 grand slams so far
venus has won seven titles. he sister Serena has won 11
He won eight grand slams and a gold medal in the Olympics
Alex Rodriguez has hit three grand slams during the 2010 season.
Barry Bonds hit eleven grand slams during his career.