RHR Duquesa hails from the famous family of Amety B through her mother, the exquisite Duchess of Marwan. Duchess of Marwan is one of several illustrious representatives of the power cross between Amety B and Marwan Al Shaqab and is herself an outstanding producer in the footsteps of her mother. Other full siblings to Duchess include Princess of Marwan, Goddess of Marwan (US National Champion Yearling Filly), and several others.

RHR Duqesa combines the formidable combination of her female line with DA Valentino as her sire, making her Arabian royalty already.