All Tennis Players How Many Grand Slams Has Herbert Lawford Won? Herbert Fortescue Lawford (15 May 1851 – 20 April 1925) was a former world No. Read more on Wikipedia player.Herbert Lawford has won 1 Grand Slam. FacebookTwitterEmail How Many Grand Slams Has Madison Keys Won? How Many Grand Slams Has Jannik Sinner Won? How Many Majors Has John Isner Won?