Letruska is out of Magic Appeal (Successful Appeal), third in the Grade 2 Adirondack Stakes. The mare is also the dam of the late Trigger Warning (Candy Ride), a multiple stakes winner who was third in the Grade 1 Pennsylvania Derby, and of the stakes-placed American Doll (Tiznow).

Second dam Call Her Magic (Caller I. D.) was a Listed winner. Her produce includes J P's Gusto, a full brother to Magic Appeal, who won the Grade 1 Del Mar Futurity and became a sire, the Listed-placed Kid Majic (Lemon Drop Kid) and the unraced Magical Mist (Congaree). Kid Majic is the dam of the Grade 2 winner Miss Mischief and the Listed-placed Mind Out, and the second dam of the sire Rowayton, runner-up in the Grade 1 Del Mar Futurity. Magical Mist produced Swagger Jagger, a stakes winner placed at Grade 3 level. Call Her Magic is a half-sister to the dual winner Pacific Spell (Langfuhr), dam of Proud Spell, winner of the Grade 1 Kentucky Oaks and the Grade 1 Alabama Stakes, and of the Listed winner No Distortion.

Third dam Malibu Magic (Encino) won twice and is a half-sister to Imaginary Lady (Marfa), winner of the Grade 1 Santa Anita Oaks.

American Doll is the dam of Wandering (Malibu Moon) and Mischievous Doll (Into Mischief).

Younger half-brother Ocotzingo (Hard Spun) won his maiden at three. Magic Appeal also has a 2-year-old colt, Prudencio (Arrogate), and a yearling filly by Malibu Moon, and was last covered by Curlin.