Pedigree of Differential xx

father

Tractor xx

Thoroughbred
1918

stallion The Tetrarch xx (Thoroughbred, 1911, from Roi Herode xx)

The Tetrarch xx

Thoroughbred
1911

Vahren xx

Thoroughbred
1897

Gravitation xx

Thoroughbred
1899

stallion Saint Simon xx (Thoroughbred, 1881, from Galopin xx)

Saint Simon xx

Thoroughbred
1881

Gravity xx

Thoroughbred
1884

mother

Fabia xx

Thoroughbred
1901

Father of mother

Light Artillery xx

Thoroughbred
1890

Perhaps xx

Thoroughbred
1884

Gang Forward xx

Thoroughbred
1870