Los Angeles is the best of three winners out of the unraced Frequential (Dansili), whose first three live foals are all by Camelot: Hector De Maris, third in the Gr.3 Ballyroan Stakes, Be Happy, third in the Gr.3 Prix Penelope, and Los Angeles. Frequential is a half-sister to three winners, among them Impulsif (New Approach), winner of the Gr.3 Prix Messidor.

The second dam Violante (Kingmambo) won at four. Besides Impulsif she is the dam of Veil Of Shadows (Frankel), second in the Gr.3 Pride Stakes. She is a full sister to Reunite, a Listed winner who was Group 3-placed and is the dam of the Listed-placed Mutafawwig and Recordman, and a half-sister to Anabaa Blue (Anabaa), winner of the Gr.1 Prix du Jockey Club and a sire, to the Listed winner Measured Tempo (Sadler's Wells), dam of the Group 3-placed Franz Schubert and grandam of Promise Of Success, a dual Group 2 winner in Australia, and to the winners at three Al Ishq (Nureyev) and Muhawalah (Nayef).

The third dam Allez Les Trois (Riverman) was a Group 3 winner and produced Anabaa Blue, winner of the Gr.1 Prix du Jockey Club. Her daughter Al Ishq is the dam of Tamayuz, winner of the Gr.1 Prix Jacques le Marois and the Gr.1 Prix Jean Prat and later a sire, and an ancestress of Santiago (Authorized), winner of the Gr.1 Irish Derby, and Facteur Cheval, winner of the Gr.1 Dubai Turf. Another daughter, Muhawalah, is the dam of Eshaada (Muhaarar), winner of the Gr.1 British Champions Fillies & Mares Stakes.

Allez Les Trois is a half-sister to several winners, notably Urban Sea (Miswaki), winner of the Gr.1 Prix de l'Arc de Triomphe and dam of the champion sires Sea The Stars, a six-time Group 1 winner, and Galileo, a three-time Group 1 winner, as well as of My Typhoon, winner of the Grade 1 Diana Stakes. The family also includes the sire King's Best.

Frequential has an unraced 3-year-old gelding, Front And Centre (No Nay Never).