siblings of Susan's Girl xx

half siblings paternal 12

half siblings paternal

stallion Kew Gardens xx (Thoroughbred, 1971, from Quadrangle xx)

Kew Gardens xx
gender-male
1971

Quadrangle xx / Polynesian xx

broodmare Loudrangle xx (Thoroughbred, 1974, from Quadrangle xx)

Loudrangle xx
gender-female
1974

Quadrangle xx / Nearctic xx

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

Smart Angle xx
gender-female
1977

Quadrangle xx / Quibu xx

broodmare Square Angel xx (Thoroughbred, 1970, from Quadrangle xx)

Square Angel xx
gender-female
1970

Quadrangle xx / Nearctic xx

broodmare Magic Square xx (Thoroughbred, 1976, from Quadrangle xx)

Magic Square xx
gender-female
1976

Quadrangle xx / Arts and Letters xx

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

Quadratic xx
gender-male
1975

Quadrangle xx / Quibu xx

broodmare Quadrillion xx (Thoroughbred, 1967, from Quadrangle xx)

Quadrillion xx
gender-female
1967

Quadrangle xx / My Babu xx

horse Angler Light xx (Thoroughbred, 1970, from Quadrangle xx)

Angler Light xx
gender-male
1970

Quadrangle xx / Jet Action xx

broodmare Scatter Plan xx (Thoroughbred, 1968, from Quadrangle xx)

Scatter Plan xx
gender-female
1968

Quadrangle xx / Nasrullah xx

broodmare Pink Platinum xx (Thoroughbred, 1969, from Quadrangle xx)

Pink Platinum xx
gender-female
1969

Quadrangle xx / Roman Patrol xx

broodmare Rokeby Venus xx (Thoroughbred, 1970, from Quadrangle xx)

Rokeby Venus xx
gender-female
1970

Quadrangle xx / Battlefield xx

stallion Quadravan xx (Thoroughbred, 1967, from Quadrangle xx)

Quadravan xx
gender-male
1967

Quadrangle xx / unknown