Born to an English father and a French mother, Grover-Williams grew up fluent in both the French and English languages.
==Pomembnejše zmage==*Velika nagrada Bologne : 1927*Coppa Perugia : 1924, 1927*Velika nagrada Savia: 1925*Velika nagrada Mugella : 1925, 1928*Coppa Ciano : Coppa Ciano 1925, 1926, 1927, 1928*Velika nagrada Tripolija : 1927*Targa Florio : 1927*Velika nagrada San Sebastiana : 1927==Viri in reference==