Offspring of Prime Minister i 1916 male Chanctonbury Lisa i 1953 female Dancing Time of Keepers i 1956 female Geknaforge Balvoniza i 1960 female Atalanta of Keepers i 1956 female Barthill Illyria i 1962 female Concerto of Keepers i 1956 female Keepers Moonlight i 1958 female