The daughter of Nayef, who carries the colours of Meon Valley Stud, made every yard of the running under Dane O'Neill.
Familliarity was soon into a good rhythm and Dane was able to gradually up the tempo from the front.
Her rivals were soon at full stretch and Familliarity kept pulling out more to win by a length and three quarters.
Roger said: "She has done it nicely. She loves the fast ground and looks as though she will stay a mile and a half."
Familliarity enjoys a pick of grass