siblings of Gorgos xx

half siblings maternal 2 half siblings paternal 60

half siblings maternal

broodmare Mythology xx (Thoroughbred, 1907, from Cyllene xx)

Mythology xx
gender-female
1907

Cyllene xx / Saint Simon xx

stallion Atlas xx (Thoroughbred, 1902, from Isinglass xx)

Atlas xx
gender-male
1902

Isinglass xx / Saint Simon xx