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.
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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