Half sister to: PIMIENTO (ch c 1899 STILETTO)[a winner of the Gran Premio Carlos Pellegrini 3000m (now G1 2400m); the Premio Comparacion 2200m (Arg); and the, Premio General Pueyrredon 4000m {1920-1963}]. Casiopea is also half sister to: LA MOUCHE (b f 1909 CYLLENE){La Mouche was the grand dam, tail female line to: KAYAK II (b c 1935 CONGREVE)[a winner of the Governor Bowie Handicap 2816m=14f {1920-1949 Pimlico}; the Hollywood Gold Cup Handicap 2011m=10f; and the, Santa Anita Handicap 2011m=10f]}. Modern line see: HANZACAL (b f 1983 Gran Premio Seleccion G1 2000m]