Silawi is out of Silasol (Monsun), a multiple Group 1 winner in France who took the Gr.1 Prix Marcel Boussac and the Prix Saint-Alary, then a Group 1. Her produce includes his full sibling Silius, a stakes winner who won the Listed Prix de la Californie and was also placed several times at Group level in France, including at Group 3 level, and the half-sibling Fasol (Galileo), a winner placed several times at Group level in France, including at Group 3 level.

Second dam Stormina (Gulch) won three stakes races in the US and was third in the Gr.2 Prix de Sandringham. She is a half-sister to five other winners, including Pollara (Camelot), winner of the Gr.3 Prix de Royaumont.

Third dam Brooklyn's Storm (Storm Cat) won twice. She is a half-sister to eleven other winners, among them Solemia (Poliglote), winner of the Gr.1 Prix de l'Arc de Triomphe, Prospect Wells (Sadler's Wells), winner of the Gr.2 Prix Greffulhe and Group 1-placed, and Prospect Park (Sadler's Wells), winner of the Gr.3 Prix du Lys and Group 1-placed.

This is also the family of the sire The Gurkha (Galileo), winner of the Gr.1 Poule d'Essai des Poulains and the Gr.1 Sussex Stakes.

Silasol has a yearling colt by Kingman named Pianiste and a filly foal by Churchill named Latanya.