Queen Empress and her family could be said to have an almost equal amount of quality. From her was descended such champions as Noor, a son of Nasrullah who became a champion in the United States and lowered the colors of the mighty Citation four times in 1950. Zucchero, another champion son of Nasrullah, descended from Queen Empress, and his victories included the Coronation Cup.
Source: http://www.tbheritage.com/Portraits/Sceptre.html