siblings of Tetralogy xx

full siblings 2 half siblings maternal 3 half siblings paternal 71

full siblings

stallion Caligula xx (Thoroughbred, 1917, from The Tetrarch xx)

Caligula xx
gender-male
1917

The Tetrarch xx / Perigord xx

broodmare Snow Maiden xx (Thoroughbred, 1916, from The Tetrarch xx)

Snow Maiden xx
gender-female
1916

The Tetrarch xx / Perigord xx