His grandfather , John J. Mooney , was a horse breeder and owner .
Mooney won the 1924 Kentucky Derby on Black Gold , the 1929 King 's Plate on Shorelint , and trained 1962 Canadian Horse of the Year Crafty Lace .
His grandfather , Mooney     , was a horse breeder and owner .
Mooney won the 1924 Kentucky Derby on Black Gold , the 1929 King 's Plate on Shorelint , and trained 1962 Canadian Horse of the Year Crafty Lace .