siblings of Gradation xx

half siblings maternal 2 half siblings paternal 29

half siblings maternal

stallion Great Union xx (Thoroughbred, 1935, from Sir Gallahad III xx)

Great Union xx
gender-male
1935

Sir Gallahad III xx / American Flag xx

broodmare Sister Union xx (Thoroughbred, 1938, from Blenheim II xx)

Sister Union xx
gender-female
1938

Blenheim II xx / American Flag xx