All Tennis Players How Many Grand Slams Has Helen Jacobs Won? Helen Hull Jacobs (August 6, 1908 – June 2, 1997) was an American tennis player.Helen Jacobs has won 5 Grand Slams. FacebookTwitterEmail How Many Grand Slams Has Madison Keys Won? How Many Grand Slams Has Jannik Sinner Won? How Many Majors Has John Isner Won?
