The first reported foal by grade II winner Rockport Harborwas born at Windfields Farm near Oshawa, Ontario, Canada. Bred by Dr. John R. Cummins, the colt is the first foal out of the Cat Thief  mare Cat Lea, who is a half-sister to grade II winner My Boston Gal.

Rockport Harbor (Unbridled's Song  --Regal Miss Copelan, by Copelan) stands at Sheikh Mohammed's Darley near Lexington. His 2008 fee is $20,000.