siblings of Break of Day xx

half siblings paternal

broodmare Riband xx (Thoroughbred, 1947, from Hyperion xx)

Riband xx

horse Rainbow xx (Thoroughbred, 1949, from Hyperion xx)

Rainbow xx

horse Rainford xx (Thoroughbred, 1957, from Hyperion xx)

Rainford xx

horse Red Marlin xx (Thoroughbred, 1954, from Hyperion xx)

Red Marlin xx

horse Redolent xx (Thoroughbred, 1948, from Hyperion xx)

Redolent xx

broodmare Ringtime xx (Thoroughbred, 1946, from Hyperion xx)

Ringtime xx

stallion Rolled Gold xx (Thoroughbred, 1947, from Hyperion xx)

Rolled Gold xx

horse Rolling Sea xx (Thoroughbred, 1942, from Hyperion xx)

Rolling Sea xx

stallion Ruthless xx (Thoroughbred, 1941, from Hyperion xx)

Ruthless xx

horse Saturn xx (Thoroughbred, 1947, from Hyperion xx)

Saturn xx

horse Scorpion xx (Thoroughbred, 1942, from Hyperion xx)

Scorpion xx

horse Saturnetta xx (Thoroughbred, 1956, from Hyperion xx)

Saturnetta xx