There is a sister of Venus Williams.
Venus Williams . On 10 June 2002 , Venus and Serena became the first sisters to hold the No. 1 and No. 2 spots in the singles rankings , respectively . Her seven Grand Slam singles titles ties her twelfth on the all-time list , more than any other active female player except sister Serena . Williams has played against her sister in 27 professional matches since 1998 , and won 11 . Beginning with the 2002 French Open , they opposed each other in four consecutive Grand Slam singles finals , the first time sisters had so met in the Open Era .