Dardanos is the best of three stakes winners out of Delegation (Mount Nelson), who won four races in France and Germany and has produced four winners. The others with black type are Delgardo (Best Solution), winner of the Listed Dusseldorf Derby-Trial and twice Group 3-placed, and De La Soul (Sea The Moon), winner of the Listed Junioren-Preis.

Second dam Delta Diva (Victory Gallop), whose leading performer is Delegation, won a 7f maiden at Kempton at two and has produced five winners. She is a half-sister to In The Slips (More Than Ready), winner of the Blue Norther Stakes and twice graded stakes-placed. In The Slips is in turn the second dam of Donegal Momentum (Uncle Mo), a Grade 3 winner and third in the Grade 1 Hollywood Derby.

Third dam Tjinouska (Cozzene) won a 1m4f maiden at Goodwood and produced ten winners from 12 runners, the best of them In The Slips.

The unraced fourth dam Ocean Jewel (Alleged) is the ancestress of the Gr.1 Melbourne Cup winner Delta Blues (Dance In The Dark) and the Group 1-placed mares Pearl Dance (Nureyev) and Rainbow Springs (Selkirk). The extended family also includes Just Call Me Angel (Dark Angel), winner of the Gr.3 Premio Regina Elena (Italian 1000 Guineas) in 2026.

Delegation has the unraced two-year-old colt Dancing Dunes (Torquator Tasso) and a yearling colt by Torquator Tasso.