Serena has won 12 doubles Grand Slams with her sister Venus.
Serena Williams has won 15 Grand Slam titles as a singles player. In addition, she has won 13 doubles titles and an additional 2 titles in mixed doubles.
Serena Williams has 22 Grand Slam titles, an Open Era record she shares with Steffi Graf.
Serena has an Open Era record of 22 Grand Slam singles titles, while her sister Venus has seven. They share 14 Grand Slam doubles championships, tied for second in the Open Era.
As of January 2017, Serena Williams has won 23 Grand Slam singles titles and 14 Grand Slam doubles titles. She has earned 67 overall career titles. On January 28, 2017, Williams passed Steffi Graf for the most women's Grand Slam titles (23) in the Open Era. Margaret Smith Court won 24 titles, most of them at a time when only amateurs could play in events.
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As of the 2008 Wimbledon tournament, eight singles titles and six doubles titles. Australian - three singles (2003, 2005, 2007) and two doubles (2001, 2003)French - one singles (2002) and one doubles (1999)Wimbledon - two singles (2002, 2003) and two doubles (2000, 2002)US Open - two singles (1999, 2002) and one doubles (1999)Including this recent Wimbledon, Serena Williams has won 11 Grand Slam singles titles.
venus has won seven titles. he sister Serena has won 11
For woman's tennis it is Serena Williams. For men's it is Rodger Federer. Serena has the most with 29 grand slam titles.
She just won her fourth recently
Combined they have 21 singles grand slam titles (Serena winning 14 and Venus winning 7), and 13 grand slam titles in doubles together, winning 2 US open titles, 4 Australian open titles, 2 French open titles, and 5 Wimbledon titles.
They are both sisters who are famous American tennis players. their father's name is Richard Williams and mother is oracene price . Serena turned professional a year after her sister now Serena has won 13 singles grand slams , 11 doubles grand slams and 2 mixed doubles grand slam
Serena Williams has currently won 13 Grand Slam double titles with her sister, Venus Williams. They have both, however, won many more competitions on their own. Currently they are unbeaten in the Grand Slam finals.