siblings of Quadratic xx

half siblings maternal

stallion Smarten xx (Thoroughbred, 1976, from Cyane xx)

Smarten xx

broodmare Smart Heiress xx (Thoroughbred, 1979, from Vaguely Noble xx)

Smart Heiress xx

broodmare Smart Darlin xx (Thoroughbred, 1982, from Alydar xx)

Smart Darlin xx