siblings of Smart Heiress xx

half siblings maternal 4 half siblings paternal 91

half siblings maternal

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

Smarten xx
gender-male
1976

Cyane xx / Quibu xx

broodmare Smart Angle xx (Thoroughbred, 1977, from Quadrangle xx)

Smart Angle xx
gender-female
1977

Quadrangle xx / Quibu xx

stallion Quadratic xx (Thoroughbred, 1975, from Quadrangle xx)

Quadratic xx
gender-male
1975

Quadrangle xx / Quibu xx

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

Smart Darlin xx
gender-female
1982

Alydar xx / Quibu xx