Spilletta was a bay filly bred by the Sir Robert Eden and foaled in 1749.
[2] Spilletta's dam was Mother Western, a daughter of Smith's son of Snake.
[1] Spilletta only started one race, in April 1754 at Newmarket for a £50 Plate.
She lost the race to Sir Charles Sedley's Royal, the Marquess of Hartington's Tantivy and Mr. Curzon's Jason.
= Brown * Spilletta is inbred 4S × 3D to the stallion Snake, meaning that he appears fourth generation on the sire side of his pedigree and third generation on the dam side of his pedigree.