siblings of Heliopolis xx

full siblings 2 half siblings maternal 3 half siblings paternal 392

full siblings

stallion Seven Seas II xx (Thoroughbred, 1941, from Hyperion xx)

Seven Seas II xx
gender-male
1941

Hyperion xx / Swynford xx

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

Sun Stream xx
gender-female
1942

Hyperion xx / Swynford xx