siblings of Hillary xx

half siblings paternal

horse High Stakes xx (Thoroughbred, 1942, from Hyperion xx)

High Stakes xx

horse High Table xx (Thoroughbred, 1939, from Hyperion xx)

High Table xx

horse High Trial xx (Thoroughbred, 1951, from Hyperion xx)

High Trial xx

horse High Service xx (Thoroughbred, 1950, from Hyperion xx)

High Service xx

stallion Highbury xx (Thoroughbred, 1947, from Hyperion xx)

Highbury xx

horse Hippius xx (Thoroughbred, 1937, from Hyperion xx)

Hippius xx

broodmare Hopeful Duchess xx (Thoroughbred, 1948, from Hyperion xx)

Hopeful Duchess xx

horse Hot Coppers xx (Thoroughbred, 1943, from Hyperion xx)

Hot Coppers xx

horse Hotspur xx (Thoroughbred, 1944, from Hyperion xx)

Hotspur xx

horse Hyacinthus xx (Thoroughbred, 1939, from Hyperion xx)

Hyacinthus xx

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

Hyades xx

horse Hyaline xx (Thoroughbred, 1938, from Hyperion xx)

Hyaline xx