Venus Williams has a sibling.
2017 Australian Open – Women's Singles . Serena Williams won the title and regained the No. 1 ranking , defeating her sister Venus Williams in the final , 6 -- 4 , 6 -- 4 . Venus Williams . Her seven Grand Slam singles titles ties her twelfth on the all-time list , more than any other active female player except sister Serena . At the 2017 French Open , Williams extended her record as the all-time leader , male or female , in Grand Slams played , with 74 .