siblings of Sundown xx

half siblings paternal

horse Spring Sun xx (Thoroughbred, 1959, from Hyperion xx)

Spring Sun xx

broodmare Staffa xx (Thoroughbred, 1948, from Hyperion xx)

Staffa xx

horse Staward xx (Thoroughbred, 1946, from Hyperion xx)

Staward xx

horse Sun Castle xx (Thoroughbred, 1938, from Hyperion xx)

Sun Castle xx

horse Sun Hat xx (Thoroughbred, 1960, from Hyperion xx)

Sun Hat xx

broodmare Sun Helmet xx (Thoroughbred, 1940, from Hyperion xx)

Sun Helmet xx

horse Sun Honey xx (Thoroughbred, 1942, from Hyperion xx)

Sun Honey xx

stallion Sun King xx (Thoroughbred, 1939, from Hyperion xx)

Sun King xx

horse Sun Lore xx (Thoroughbred, 1938, from Hyperion xx)

Sun Lore xx

broodmare Sun Path xx (Thoroughbred, 1952, from Hyperion xx)

Sun Path xx

horse Sun Spot xx (Thoroughbred, 1951, from Hyperion xx)

Sun Spot xx

horse Sun Spray xx (Thoroughbred, 1941, from Hyperion xx)

Sun Spray xx