Chaldean is the sixth foal, the sixth winner and the fifth black-type horse from Suelita (Dutch Art), who won four races. Her produce also includes the sire Alkumait (Showcasing), winner of the Gr.2 Mill Reef S., The Broghie Man (Cityscape), a stakes winner in Ireland in the Listed Committed Stakes and stakes-placed in France, and the Listed-placed pair Gloves Lynch (Mukhadram) and Get Ahead (Showcasing). Suelita is related to Outer Space (Acclamation), an eight-time winner who was second in the Gr.3 Cornwallis S., and is a half-sister to Ayr Missile (Cadeaux Genereux), the dam of Living In The Past (Bungle Inthejungle), winner of the Gr.2 Lowther S.

Second dam Venoge (Green Desert) was unraced.

Third dam Horatia (Machiavellian) won the Grade 3 Matchmaker S. in the US and was placed at Grade 2 level. Her best runner is Moment In Time (Tiger Hill), winner of the Gr.3 Pinnacle S. and placed in the Grade 1 E.P. Taylor S., who is the dam of the Listed-placed Fontley and the grandam of the Listed winner Achelois. Her daughter Awohaam (Iffraaj), a dual winner, bred Castle Star (Starspangledbanner), winner of the Gr.3 Marble Hill S. and second in the Gr.1 Middle Park S.

Horatia is a half-sister to Opinion Poll (Halling), a staying winner of five Group races, among them the Gr.2 Goodwood Cup, who was twice placed in the Gr.1 Gold Cup, and the family also includes Markofdistinction (Known Fact), winner of the Gr.1 Queen Elizabeth II S. in 1990.

Suelita has a yearling filly by Kingman.